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Gametes are sperm and egg cells. When the sperm fertilizes the egg, their genetic material is joined to form a new cell called a zygote. Because both the sperm and egg cells have half the number of chromosomes as in normal body cells, the zygote will have the full number of chromosomes as in normal body cells.

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What To maintain the chromosome number of an organism the gametes must?

Be produced by meosis.


How many possible chromosome combinations are there for the gametes of an organism with a haploid number equal to 4?

2^n possible combinations


What effect does nondisjunction have on the chromosome number of the gametes?

It gives one of the gametes an extra chromosome and leaves the other gamete with one less chromosome.


Name the 2 human gametes and tell their chromosome number?

The human gametes are Male gametes are sperm and female gametes are eggs. And the gametes chromosome numbers are 42.


Which organism has 20 chromosomes in one of its gametes?

Humans have 23 pairs of chromosomes, with 22 pairs of autosomes and one pair of sex chromosomes. During gamete formation, the chromosome number is halved, resulting in gametes with 23 chromosomes. Therefore, the organism that has 20 chromosomes in one of its gametes would not be human.


The table below shows the number of chromosome pairs for various organisms. Which organism can produce the highest number of genetically different gametes?

Carp, Giraffe


Do All cells within an organism will have the same number of chromosomes except the gamete?

Yes, all cells within an organism (excluding gametes) typically have the same number of chromosomes, known as the diploid number. This number is characteristic of the species and remains constant throughout most of the organism's cells. Gametes, such as sperm and eggs, have half the number of chromosomes (haploid) to ensure the correct chromosome count is restored upon fertilization.


If an organism has six pairs of chromosomes how many different game meat can I produce?

An organism with six pairs of chromosomes has a total of 12 chromosomes. The number of different gametes that can be produced through independent assortment is calculated using the formula (2^n), where (n) is the number of chromosome pairs. In this case, (2^6 = 64). Therefore, the organism can produce 64 different gametes.


What is the diploid number of an organism represent?

number of chromosome


Does meiosis reduce chromosome numbers?

Yes - the daughter cells produced in meiosis (gametes) have half the number of chromosomes as those in the original cell. This is why meiosis is referred to as 'reduction division'. However, as meiosis produces cells which are involved in sexual reproduction - the chromosome number in the species remains constant. This is because when the two gametes combine, the resulting organism has the correct number of chromosomes (half from each gamete).


To maintain the number of chromosomes of an organism what do gametes do?

be produced by meiosis


What best describes the function of meiosis?

reduces chromosome number by half, produces gametes