Question

The figure shows three different structures that represent chromosomes at metaphase of meiosis I. Each line represents a pairLook at structure R. It represents _____ DNA molecules and ______ chromosomes.

a. four; two

b. one; one

c. four; four

d. two; two

e. three; six

f. two; one

g. three; three

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Answer #1

Answer is b. one; one

Structure R is showing one unreplicated chromosome with one centromere. One unreplicated chromosome contains one double strand DNA. Therefore, option "b" is correct for the structure R. It represents one DNA molecules and one chromosomes.

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