ANATOMY+PHYSIOLOGY >LOOSE<
8th Edition
ISBN: 9781308329826
Author: SALADIN
Publisher: MCG/CREATE
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Chapter 4, Problem 8TYR
Summary Introduction
Introduction:
Homologous chromosomes carry two forms of a gene in the same locus is known as alleles. Usually one dominant (T) and one recessive (t) alleles are present and they produce different forms of a phenotypic trait. Dominant alleles are mostly responsible for the production of phenotypic traits because they mask the effect of the recessive allele. If individuals carry two identical alleles (TT or tt) of gene are known as homozygous and different types of alleles (Tt) of a gene is known as heterozygous.
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Students have asked these similar questions
In which of the following does one gene control the expression of another,
independently inherited gene?
a. Pleiotropy
b. Epistasis
c. Multifactorial inheritance
d. codominance
e. incomplete penetrance
If a mouse has a dominant phenotype (P_), how would you determine if it is
homozygous (PP) or heterozygous (Pp)?
Select one:
O a.
O b.
O c.
O d.
O e.
cross it to a mouse with the dominant trait but a similarly unknown genotype.
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cross it to a homozygous dominant mouse.
it cannot be determined.
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O
When many genes affect a single phenotype is it called;
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extranuclear inheritance
b.
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c.
dominance
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e.
epistasis
Chapter 4 Solutions
ANATOMY+PHYSIOLOGY >LOOSE<
Ch. 4.1 - What are the three components of a nucleotide?...Ch. 4.1 - What governs the pattern of base paring in DNA?Ch. 4.1 - what is the difference between DNA and chromatin?Ch. 4.1 - Summarize the structural and functional...Ch. 4.1 - The general name of the monomers that compose DNA...Ch. 4.1 - Prob. 2AYLOCh. 4.1 - Prob. 3AYLOCh. 4.1 - How DNA and protein are combined to form...Ch. 4.1 - Prob. 5AYLOCh. 4.1 - HOW RNA differs from DNA in structure and...
Ch. 4.2 - Prob. 5BYGOCh. 4.2 - Describe the roles of RNA polymerase ribosomes,...Ch. 4.2 - What is the difference between genetic...Ch. 4.2 - Summarize the processing of a protein from the...Ch. 4.2 - Prob. 9BYGOCh. 4.2 - Prob. 10BYGOCh. 4.2 - Prob. 1AYLOCh. 4.2 - Prob. 2AYLOCh. 4.2 - The organization of nucleotides into DNA triplets;...Ch. 4.2 - How the genetic code relates mRNA codons to...Ch. 4.2 - The process and outcome of genetic transcription,...Ch. 4.2 - Prob. 6AYLOCh. 4.2 - Prob. 7AYLOCh. 4.2 - Prob. 8AYLOCh. 4.2 - Prob. 9AYLOCh. 4.2 - Prob. 10AYLOCh. 4.3 - Describe the genetic roles of DNA helicase and DNA...Ch. 4.3 - Explain why DNA replication is called...Ch. 4.3 - Define mutation. Explain why some mutations are...Ch. 4.3 - Prob. 14BYGOCh. 4.3 - Prob. 15BYGOCh. 4.3 - Prob. 16BYGOCh. 4.3 - Prob. 1AYLOCh. 4.3 - Semiconservative replication, the enzymes that...Ch. 4.3 - What a mutation is and how a cell detects and...Ch. 4.3 - The four stages of the cell cycle, what occurs in...Ch. 4.3 - Prob. 5AYLOCh. 4.3 - Cytokinesis and how it overlaps but differs from...Ch. 4.3 - Prob. 7AYLOCh. 4.3 - Prob. 8AYLOCh. 4.4 - Why must the carrier of a genetic disease be...Ch. 4.4 - Prob. 18BYGOCh. 4.4 - Prob. 19BYGOCh. 4.4 - Prob. 1AYLOCh. 4.4 - Organization of the karyotype; the number of...Ch. 4.4 - Prob. 3AYLOCh. 4.4 - Prob. 4AYLOCh. 4.4 - Prob. 5AYLOCh. 4.4 - Why a recessive trait can skip a generation, with...Ch. 4.4 - The differences between the genotype, genome, and...Ch. 4.4 - Prob. 8AYLOCh. 4.4 - Prob. 9AYLOCh. 4.4 - Prob. 10AYLOCh. 4.4 - Prob. 11AYLOCh. 4.4 - Prob. 12AYLOCh. 4.4 - Why it cannot be said that dominant alleles are...Ch. 4.4 - Prob. 14AYLOCh. 4 - Production of more than one phenotypic trait by a...Ch. 4 - When a ribosome reads a codon on mRNA, it must...Ch. 4 - Prob. 3TYRCh. 4 - Two genetically identical strands of a metaphase...Ch. 4 - Prob. 5TYRCh. 4 - Genetic transcription is performed by a....Ch. 4 - Prob. 7TYRCh. 4 - Prob. 8TYRCh. 4 - Semiconservative replication occurs during a....Ch. 4 - Mutagens sometimes cause no harm to cells for all...Ch. 4 - The cytoplasmic division at the end of mitosis is...Ch. 4 - Prob. 12TYRCh. 4 - Prob. 13TYRCh. 4 - Prob. 14TYRCh. 4 - Prob. 15TYRCh. 4 - Prob. 16TYRCh. 4 - Prob. 17TYRCh. 4 - The cytoplasmic granule of RNA and protein that...Ch. 4 - Prob. 19TYRCh. 4 - Prob. 20TYRCh. 4 - Prob. 1BYMVCh. 4 - Prob. 2BYMVCh. 4 - Prob. 3BYMVCh. 4 - Prob. 4BYMVCh. 4 - Prob. 5BYMVCh. 4 - Prob. 6BYMVCh. 4 - Prob. 7BYMVCh. 4 - Prob. 8BYMVCh. 4 - Prob. 9BYMVCh. 4 - Prob. 10BYMVCh. 4 - Prob. 1WWTSCh. 4 - Steroids, carbohydrates, and phospholipids are...Ch. 4 - Prob. 3WWTSCh. 4 - Prob. 4WWTSCh. 4 - Prob. 5WWTSCh. 4 - The law of complementary base pairing describes...Ch. 4 - Prob. 7WWTSCh. 4 - All mutations result m the production of defective...Ch. 4 - Prob. 9WWTSCh. 4 - Prob. 10WWTSCh. 4 - Why world the supercoiled, condensed form of...Ch. 4 - Prob. 2TYCCh. 4 - Given the information in this chapter, present an...Ch. 4 - Prob. 4TYCCh. 4 - Prob. 5TYC
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- When the phenotype of the offspring is determined by endoparasites in the father it is… a. epistasis b. due to genes located in the mitochondria. c. a maternal effect d. non-nuclear inheritance e. a non-additive genetic effectarrow_forwardIn ABO blood group inheritance, what is the relationship between the alleles IA and IB? a. They are pleiotropic to each other. (pleiotropic means one gene also influences two or more unrelated phenotypes) b. They are incompletely dominant to each other. c. They are codominant to each other. d. B alleles are dominant; A alleles are recessive. e. A alleles are dominant; B alleles are recessive.arrow_forwardFruit flies are very useful model organisms that have been used to study genetics. One mutant recessive trait in fruit flies is called "eyeless" because it causes flies to have no eyes. Cross an eyeless fly with a homozygous normal fly. a. Draw the Punnett square. b. What is the genotyoe ratio of the offspring? c. What is the phenotype ratio of the offspring? d. What genetic problem is this? (monohybrid, dihybrid or multiple allele)arrow_forward
- The chart below is showing 4 generations of a family that is affected by a hereditary disease. a. Is the disorder being tracked dominant or recessive? How do you know? b. There is only one possible genotype for person C. True or False? c. What are the possible genotypes for person A? d. What are the possible genotypes for person B?, e. If two people with the same genotypes as person C's spouse and person A's spouse had a child, what is the probability that the child will be affected by this genetic disorder? (draw a Punnett square using the correct genotypes to help you). % chance offspring will be affected % chance offspring will not be affectedarrow_forwardin a summary use your understanding of molecular biology to explain that recessive alleles are expressed through transcription and translation, and that they may have functional gene products. Describe how the interaction of the products produced by each allele results in what we see as dominant or recessive traits.arrow_forwardWhich of the following traits or diseases is(are) determined bynuclear genes?A. Snail coiling patternB. Prader-Willi syndromeC. Leber hereditary optic neuropathyarrow_forward
- A type of baldness is sex –limited such that the allele that causes it is dominant in men and recessive in women. Thus baldness is much more common in men than women even though the locus is on an autosome. How is the pattern of inheritance in this example different from X-linked inheritance of a recessive allele? Group of answer choices A. the trait can be passed from fathers to sons B. the trait can be passed from fathers to daughters C. the trait can be passed from mothers to sons D. the trait can be passed from mothers to daughtersarrow_forwardTay–Sachs disease is caused by recessive alleles on anautosome. In which case(s) could two parents with anormal phenotype have a child with Tay–Sachs?a. Both parents are homozygous for a Tay–Sachs allele.b. Both parents are heterozygous for a Tay–Sachsallele.c. One parent is homozygous for a Tay–Sachs allele,and the other is heterozygous.arrow_forwardMany inherited disorders in humans are controlled by a single allele with two genes Select one: a. False b. Truearrow_forward
- The B allele confers black coat color and the b allele brown coat color in Labrador dogs. When another gene, E, is inherited, the coat is golden no matter what the B phenotype is. A dog of genotype ee expresses the black phenotype. What unusual phenomenon is at work in this disorder?arrow_forwardWhich of the following statements correctly describes a Y-linked trait? A. It will always be expressed if present in female individuals B. It can be inherited by a daughter for her father C. It can be inherited by a son from his mother D. It will always be expressed if present in male individualsarrow_forwardWhich of the following must be true about the inheritance the trait depicted in the pedigree diagram below. A. it is recessive B. It is dominant C. It is on the X chromosome D. There is not enough information to determine the mechanism of inheritancearrow_forward
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