Which of the following statements about calico cats is true? Select all that apply.

Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN:9781305073951
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter10: Control Of Gene Expression
Section: Chapter Questions
Problem 3CT: Almost all calico cats (one is pictured in FIGURE 10.7B) are female. Why? B When this calico cat was...
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Which of the following statements about calico cats is true? Select all that apply.

Which of the following statements about calico cats is true? Select all that apply.
Orange sections of fur in calico cats will always be located on the same body locations.
а.
Calico cats are only females, except in cases of chromosomal number abnormalities.
b.
Orange fur sections are found in regions that are formed from cells that inactivated the X chromosome with the black allele of the fur color gene.
С.
Orange fur sections are found in regions that are formed from cells that inactivated the paternal X chromosome.
d.
Black and orange sections of fur on calico cats will always be the same size, since X chromosome inactivation always happens at the same stage of
e. development.
Transcribed Image Text:Which of the following statements about calico cats is true? Select all that apply. Orange sections of fur in calico cats will always be located on the same body locations. а. Calico cats are only females, except in cases of chromosomal number abnormalities. b. Orange fur sections are found in regions that are formed from cells that inactivated the X chromosome with the black allele of the fur color gene. С. Orange fur sections are found in regions that are formed from cells that inactivated the paternal X chromosome. d. Black and orange sections of fur on calico cats will always be the same size, since X chromosome inactivation always happens at the same stage of e. development.
Expert Solution
Step 1
female cats have paired sex chromosomes, XX, and male cats have XY sex chromosomes. The female cat, therefore, can have the orange mutant gene on one X chromosome and the gene for a black coat on the other.
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