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?
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?
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...
Related questions
Topic Video
Question
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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 |
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