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How can the two chromosomes that make up a homologous pair differ? they can contain different alleles for the same trait. they can contain genes that code for different traits. they can contain the same genes in different orders. they can contain a different number of genes.

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Tundexi

The two chromosomes that make up a homologous pair can differ if they contain different alleles for the same trait.

What is an alleles?

This means one or more genes that may occur alternatively at a given site (locus) on a chromosome.

Hence, any two chromosomes that make up a homologous pair can differ if they contain different alleles for the same trait.

Therefore, the Option A is correct.

Read more about alleles

brainly.com/question/3452155

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