Question

Which TWO phases describe the contents of a chromosome?

A. a single DNA molecule

B. many genes

C. many DNA molecules

D. a single gene

Answer 1

A. a single DNA molecule

B. many genes

Step-by-step explanation:

Each chromosome contains a single double-stranded piece of DNA

one chromosome contains thousands of genes

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Answer 2

A chromosome has around 2000 genes and one long DNA molecule so
A & B