Answered: a) When does the process of X…

Name: a) When does the process of X inactivation occur? 1. During the devel
Uploaded: 2024-03-20T06:43:04.000Z
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Description: a) When does the process of X inactivation occur? 1. During the development of the egg2. During embryo development3. During fertilization4. Immediately after birth b) Although most tortoiseshell cats are female, a litter of kittens will occasiona

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter14: Human Inheritance

Section: Chapter Questions

Problem 2GP: Human females have two X chromosomes XX; males have one X and one Y chromosome XY. a. With respect...

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a) When does the process of X inactivation occur?

1. During the development of the egg

2. During embryo development

3. During fertilization

4. Immediately after birth

b) Although most tortoiseshell cats are female, a litter of kittens will occasionally contain a male tortoiseshell. Which of the following can explain tortoiseshell coat color in a male kitten?

1. The male kitten has an extra Y chromosome

2. The male kitten has an extra X chromosome

3. The male kitten has no X chromosome

4. The male kitten cannot carry out X-inactivation

c) How many Barr bodies will be in a body cell of a XXX (triple X) female?

d) A female orange cat is crossed with an orange male cat. What are the phenotypes of the offspring by sex?

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