Multiple Choice
Which of the following groups are classified as gnathostomes?
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1. Introduction to Biology
Introduction to Taxonomy
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Which statement about calico cats is false?
A
Calico cats are almost always female due to X chromosome inactivation.
B
Calico cats have a coat color pattern that includes orange, black, and white.
C
Calico cats can be male if they have an extra X chromosome.
D
Calico cats are a breed of cat.
Verified step by step guidance1
Understand that calico cats are not a breed but a color pattern. This is a key point in identifying the false statement.
Recognize that the calico color pattern is linked to the X chromosome, which is why calico cats are almost always female. This is due to X chromosome inactivation, where one of the X chromosomes in females is randomly inactivated, leading to the distinct color pattern.
Acknowledge that calico cats can indeed be male, but this is rare and occurs when a male cat has an extra X chromosome (XXY), a condition known as Klinefelter syndrome.
Note that the calico pattern includes orange, black, and white, which is a true statement about their appearance.
Conclude that the false statement is that calico cats are a breed of cat, as they are defined by their color pattern, not by breed.
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