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Lisa [10]
3 years ago
11

If a plant has 20 chromosomes, how many chromosomes would you expect to find in a pollen cell from that plant? Be sure to explai

n your thinking.
Biology
1 answer:
r-ruslan [8.4K]3 years ago
6 0

Answer/Explanation:

We are not told if the plant has 20 chromosomes in total or 20 pairs of chromosomes. E.g. a human has 23 chromosomes, but we are diploid, so there are 46 chromosomes present in most cells.

An exception to the rule is the gametes, or the sex cells, where we are haploid. We have 23 chromosomes in these cells.

Pollen cells in plants are the sex cells. Therefore, they are haploid. If we assume that 20 chromosomes is the haploid number (and there are therefore 20 pairs of chromosomes) then the pollen will have 20 chromosomes.

If we assume that 20 chromosomes is the diploid number (and therefore there are 10 pairs of chromosomes), then the pollen will have 10 chromosomes.

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