Question

What is a sex chromosome?​

Answer 1

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Sex chromosome is a chromosome that operates in the sex-determining mechanism of a species. Many animals have two different types of sex chromosomes. For example, in human there is a large X chromosome and a much smaller Y chromosome.

Answer 2

Answer:

a chromosome concerned in determining the sex of an organism, typically one of two kinds.

An allosome is a chromosome that differs from an ordinary autosome in form, size, and behavior. The human sex chromosomes, a typical pair of mammal allosomes, determine the sex of an individual created in sexual reproduction.