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Q: How many different combinations of chromosomes could there be in the gametes if a diploid cell has two pairs of homologous chromosomes ?
A: I will assume that you mean human cells. Somatic cells are diploid (2n), containing two sets of chromosomes, one of paternal, one of maternal origin. Gametes, on the other hand, are haploid (n), with a single set of chromosomes, ie. [ half as many as the somatic cell. Now, the haploid chromosome number (n) is characteristic of the species, and in humans this number happens to be 23. Therefore a
human gamete has 23 chromosomes, and a human somatic cell 23 pairs, or 46 chromosomes. ]
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User: How many different combinations of chromosomes could there be in the gametes if a diploid cell has two pairs of homologous chromosomes ?





Weegy: I will assume that you mean human cells. Somatic cells are diploid (2n), containing two sets of chromosomes, one of paternal, one of maternal origin. Gametes, on the other hand, are haploid (n), with a single set of chromosomes, ie. [ half as many as the somatic cell. Now, the haploid chromosome number (n) is characteristic of the species, and in humans this number happens to be 23. Therefore a human gamete has 23 chromosomes, and a human somatic cell 23 pairs, or 46 chromosomes. ]
Expert answered|claudinebar|Points 50|

User: A diploid cell has two pairs of homologous chromosomes. How many different combinations of chromosomes could there be in the gametes?

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Asked 1/29/2013 12:47:59 AM
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