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## How many combinations are possible in haploid gametes?

Humans have 23 pairs of chromosomes. That means that one person could produce 2^{23} different gametes. In addition, when you calculate the possible combinations that emerge from the pairing of an egg and a sperm, the result is **(2 ^{23})^{2} possible combinations**.

## How many different combinations are possible in the gametes of an organism whose haploid number is 3?

With three pairs of chromosomes, there are 2^{3} = **8 combinations**.

## What is the number of possible gametes that can be formed due to independent assortment of chromosomes?

32. Since humans have 46 chromosomes or 23 homologous pairs, what is the number of possible gametes that can be formed due to independent assortment of chromosomes? The number of possible combinations of maternal and paternal chromosomes in the resulting gametes is **223**, or about 8.4 million.

## How many combinations of alleles are possible in human gametes?

As a result, two gametes virtually never have exactly the same combination of chromosomes. Each chromosome contains dozens to thousands of different genes. The total possible combination of alleles for those genes in humans is **approximately 70,368,744,177,664**.

## How many possible gametes are there of a cell has 4 chromosome pairs?

Hints For Biology 101 Exam #4

No. of homologous chromosome pairs (heterozygous genes) | No. of different gametes from each parent |
---|---|

4 (AaBbCcDd X AaBbCcDd) | 16 (2^{4}) |

20 pairs of chromosomes | 1,048,576 (2^{20}) |

23 pairs of chromosomes | 8,388,608 (2^{23}) |

(n) pairs of chromosomes | (2^{n}) n = haploid number |