AnswersBiology AChromosomes

Chromosomes Answers

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3

Which diagram correctly shows how heterozygous alleles are found on homologous chromosomes?

A
A chromosome is labeled Upper A a.
Option A
B
A chromosome is labeled a a.
Option B
C
2 chromosomes are labeled Upper A and a.
Option C
D
2 chromosomes are labeled a and a.
Option D
5

Which flowchart correctly lists the structures in order from smallest to largest?

A
gene DNA chromosome nucleus
Option A
B
gene chromosome DNA nucleus
Option B
C
DNA gene chromosome nucleus
Option C
D
DNA chromosome gene nucleus
Option D
6

How can the two chromosomes that make up a homologous pair differ?

A
They can contain different alleles for the same trait.
B
They can contain genes that code for different traits.
C
They can contain the same genes in different orders.
D
They can contain a different number of genes.

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Chromosomes Answers — Biology A