A. To explain: The mechanism by which flies with two different eye colors for example ruby and white can give rise to progeny that have brick-red eyes. Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

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Answer 1

Question

Chapter 19, Problem 18Q

Summary Introduction

A.

To explain: The mechanism by which flies with two different eye colors for example ruby and white can give rise to progeny that have brick-red eyes.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

B.

Summary Introduction

To explain: The mutations of the eye color which are from the same genes and from different genes.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

C.

Summary Introduction

To explain: The mechanism by which different alleles of the same gene give different eye colors.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

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Students have asked these similar questions

You aim to test the hypothesis that the Tbx4 and Tbx5 genes inhibit each other's expression during limb development. With access to chicken embryos and viruses capable of overexpressing Tbx4 and Tbx5, describe an experiment to investigate whether these genes suppress each other's expression in the limb buds. What results would you expect if they do repress each other? What results would you expect if they do not repress each other?

You decide to delete Fgf4 and Fgf8 specifically in the limb bud. Explain why you would not knock out these genes in the entire embryo instead.

You implant an FGF10-coated bead into the anterior flank of a chicken embryo, directly below the level of the wing bud. What is the phenotype of the resulting ectopic limb? Briefly describe the expected expression domains of 1) Shh, 2) Tbx4, and 3) Tbx5 in the resulting ectopic limb bud.

Answer 2

Question

Chapter 19, Problem 18Q

Summary Introduction

A.

To explain: The mechanism by which flies with two different eye colors for example ruby and white can give rise to progeny that have brick-red eyes.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

B.

Summary Introduction

To explain: The mutations of the eye color which are from the same genes and from different genes.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

C.

Summary Introduction

To explain: The mechanism by which different alleles of the same gene give different eye colors.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

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Answer 3

Question

Chapter 19, Problem 18Q

Summary Introduction

A.

To explain: The mechanism by which flies with two different eye colors for example ruby and white can give rise to progeny that have brick-red eyes.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

B.

Summary Introduction

To explain: The mutations of the eye color which are from the same genes and from different genes.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

C.

Summary Introduction

To explain: The mechanism by which different alleles of the same gene give different eye colors.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

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Answer 4

Question

Chapter 19, Problem 18Q

Summary Introduction

A.

To explain: The mechanism by which flies with two different eye colors for example ruby and white can give rise to progeny that have brick-red eyes.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

B.

Summary Introduction

To explain: The mutations of the eye color which are from the same genes and from different genes.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

C.

Summary Introduction

To explain: The mechanism by which different alleles of the same gene give different eye colors.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

Expert Solution & Answer

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Answer 5

Chapter 19, Problem 18Q

Summary Introduction

A.

To explain: The mechanism by which flies with two different eye colors for example ruby and white can give rise to progeny that have brick-red eyes.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

B.

Summary Introduction

To explain: The mutations of the eye color which are from the same genes and from different genes.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

C.

Summary Introduction

To explain: The mechanism by which different alleles of the same gene give different eye colors.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

Answer 6

Chapter 19, Problem 18Q

Summary Introduction

A.

To explain: The mechanism by which flies with two different eye colors for example ruby and white can give rise to progeny that have brick-red eyes.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

Answer 7

Chapter 19, Problem 18Q

Summary Introduction

A.

To explain: The mechanism by which flies with two different eye colors for example ruby and white can give rise to progeny that have brick-red eyes.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

Answer 8

B.

Summary Introduction

To explain: The mutations of the eye color which are from the same genes and from different genes.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

Answer 9

B.

Summary Introduction

To explain: The mutations of the eye color which are from the same genes and from different genes.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

Answer 10

C.

Summary Introduction

To explain: The mechanism by which different alleles of the same gene give different eye colors.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

Answer 11

C.

Summary Introduction

To explain: The mechanism by which different alleles of the same gene give different eye colors.

Concept introduction: Genes are DNA sequences or RNA sequence which results in functional products which are RNA and protein respectively which has their own function inside the cell. Allele is the modification of the gene. Alleles are of two types dominant and recessive. The genes are named based on the mutation they cause. Since the gene results in a white eye, it’s called as white gene and thereby white allele which produce eye colors are the variants of the white gene. Null alleles are those that do not carry any functional allele.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 19 - Prob. 1Q Ch. 19 - Prob. 2Q Ch. 19 - Prob. 3Q Ch. 19 - Prob. 4Q Ch. 19 - Prob. 5Q Ch. 19 - Prob. 6Q Ch. 19 - Prob. 7Q Ch. 19 - Prob. 8Q Ch. 19 - Prob. 9Q Ch. 19 - Prob. 10Q

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