Question

Which statement best describes unreplicated chromosomes in a 2n cell where n=3 and in a 3n=6 cell.

Answer 1

A 2n cell where n=3 contains 6 individual chromosomes making up two sets (chromosomes 1, 2, and 3), while a 3n=6 cell is triploid and contains 6 individual chromosomes forming three sets of two chromosomes (1 and 2).

Step-by-step explanation:

The statement that best describes unreplicated chromosomes in a 2n cell where n=3 is that the cell contains 6 individual chromosomes, because 2n represents the number of chromosomes in a diploid cell, meaning two sets of chromosomes. In this case, since n represents the number of different chromosomes, a 2n cell would have two sets of chromosomes 1, 2, and 3. For a 3n cell where 3n=6, this is a triploid cell and it contains 6 individual chromosomes but with three sets of two chromosomes, hence we can infer that n equals 2 (since 3n divided by 3 gives us n). Therefore, the cell contains three groups each with a set of chromosomes numbered 1 and 2.

Answer 2

Step-by-step explanation:

The 2n and 3n cells will both have 6 chromosomes; however, the 2n cell will have 3 different types of chromosomes and the 3n cell will have 2 different types of chromosomes.

When we write a ploidy number the "n" refers to the number of different types of chromosomes in a set and the number that precedes "n" indicates the number of sets present.

Hope this helps!!!