The bicoid is characterized as a coordinate, maternal effect gene. Based on this, answer the following: Determine the phenotype of the progeny produced from the cross between female Drosophila heterozygous for a loss of function bicoid allele and male that is heterozygous for the same allele. Determine the phenotype of progeny produced from a cross between a female that is homozygous for a loss of function bicoid allele and a wild type male. Provide an explanation on, if losses of bicoid function in the egg results in lethality during embryogenesis how are females homozygous for bicoid produced. Also determine phenotype of a male homozygous for bicoid loss of function alleles. Introduction: Bicoid is an example of a maternal effect gene. The phenotype result from maternal effect gene is identified by the mother genotype and not by the organism phenotype. This is because the egg receives protein and mRNA needed for proper development from the mother for the determination and development of a body axis in an organism. Bicoid is essential, thus, it is also termed as axis determination gene.

Question

Want to see the full answer?

Answer 1

Question

Chapter 18, Problem 13P

Summary Introduction

To analyze:

The bicoid is characterized as a coordinate, maternal effect gene. Based on this, answer the following:

Determine the phenotype of the progeny produced from the cross between female Drosophila heterozygous for a loss of function bicoid allele and male that is heterozygous for the same allele.

Determine the phenotype of progeny produced from a cross between a female that is homozygous for a loss of function bicoid allele and a wild type male.

Provide an explanation on, if losses of bicoid function in the egg results in lethality during embryogenesis how are females homozygous for bicoid produced. Also determine phenotype of a male homozygous for bicoid loss of function alleles.

Introduction:

Bicoid is an example of a maternal effect gene. The phenotype result from maternal effect gene is identified by the mother genotype and not by the organism phenotype. This is because the egg receives protein and mRNA needed for proper development from the mother for the determination and development of a body axis in an organism. Bicoid is essential, thus, it is also termed as axis determination gene.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

1:42 PM ១ 99% Apart from food, plants need other nutrients like water and minerals. Nitrogen, a mineral, is an important part of all living cells. All organisms need nitrogen in order to grow and repair. Although nitrogen exists in its elemental form in the atmosphere, it cannot be directly used by plants. 7 Where else can plants obtain their nitrogen from? Plants make their own nitrogen. B Plants get it from animals. Plants get it from the soil. D Plants have special structures to break down atmospheric nitrogen. v3.7.63.140.4 | 6763e9417a3dbb80fa0f87b2 | Dec 19, 2024 | 3:07 PM | 84126 | en_8

Compare the cloning efficiencies: SmaI vs. EcoRI.

Hydrogen bonds play an important role in stabilizing and organizing biological macromolecules. Consider the four macromolecules discussed. Describe three examples where hydrogen bond formation affects the form or function of the macromolecule.