# How many combinations of chromosomes are possible?

Contents

There are 8,324,608 possible combinations of 23 chromosome pairs. As a result, two gametes virtually never have exactly the same combination of chromosomes. Each chromosome contains dozens to thousands of different genes.

## How many chromosome combinations are possible in humans?

Humans have 23 pairs of chromosomes. That means that one person could produce 223 different gametes. In addition, when you calculate the possible combinations that emerge from the pairing of an egg and a sperm, the result is (223)2 possible combinations.

## How do you calculate the number of possible chromosome combinations?

The number of possible chromosome pairs is given by= 2n, where n is the haploid chromosome number. So, the number of chromosome pairs for having a diploid chromosome number of 10 will be= 25.

## How many possible gamete combinations are there?

That works out to 223 possible combinations of gametes from one human individual. That’s over 8,000,000 (8 million). That’s a lot.

## Can a girl have XY chromosomes?

The X and Y chromosomes are called “sex chromosomes” because they contribute to how a person’s sex develops. Most males have XY chromosomes and most women have XX chromosomes. But there are girls and women who have XY chromosomes.

## How many humans are possible?

There are 7 billion humans, so we know that some 420 billion different variants are possible.

THIS IS INTERESTING:  What has single chromosomes each from one parent? 