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What is the ploidy of a specie with a number of chromosome 4n= 28?

What is the ploidy of a specie with a number of chromosome 4n= 28?

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Answer #1

Ploidy refers to the number of sets of chromosomes present inside a cell.

When the cell has a single set of chromosomes, it is said to be haploid. Examples of such cells are gametes.

When the cell has two sets, of chromosomes, it is said to be diploid. Almost all somatic cells are diploid.

A cell with three sets of chromosomes is said to be triploid while a cell with four sets of chromosomes is said to be tetraploid.

Here, the species has 4n=28 chromosomes. n refers to a set of chromosomes. Hence being 4n, the species has 4 sets of chromosomes in each cell. Therefore, the cell is a tetraploid.

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