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Chromosomes are not in pairs in gametes because they undergo meiosis, a specialized type of cell division that reduces the chromosome number by half. During meiosis, homologous chromosomes are separated, resulting in gametes that contain only one chromosome from each pair. This haploid state is essential for sexual reproduction, as it allows for the fusion of two gametes during fertilization to restore the diploid chromosome number in the zygote. Thus, gametes carry only one set of chromosomes, ensuring genetic diversity in the offspring.

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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.


Where are homologous pairs of chromosomes not normally found in?

Homologous pairs of chromosomes are not normally found in gametes, which are reproductive cells such as eggs and sperm. This is because gametes are haploid, meaning they only contain one set of chromosomes, while homologous pairs consist of two sets of matching chromosomes.


The number of possible genetically different gametes for an organism equals 2N where N is the number of pairs of chromosomes. If an organism has four pairs of chromosomes how many differ?

32


The number of possible genetically different gametes for an organism equals 2N, where N is the number of pairs of chromosomes. If an organism has four pairs of chromosomes, how many different gametes can it produce?

16 (apex)


How many pairs of chromosomes found in a gametes?

In human gametes, chromosomes are not paired. Instead, each gamete has one set of 23 chromosomes, and is said to be haploid.


What is assort?

the random distribution of the pairs of genes on different chromosomes to the gametes


What is indpendent?

the random distribution of the pairs of genes on different chromosomes to the gametes


If an organism has 6 pairs of chromosomes how many different gametes can it produce?

An organism with 6 pairs of chromosomes can produce a variety of gametes through independent assortment during meiosis. The number of different gametes can be calculated using the formula (2^n), where (n) is the number of chromosome pairs. For 6 pairs, this results in (2^6 = 64) different possible gametes. Thus, the organism can produce 64 distinct gametes.


What is indpendent assortment?

the random distribution of the pairs of genes on different chromosomes to the gametes


How many chromosomes do humans have in all cells except their gametes?

There are 23 pairs of chromosomes in all about 100 trillion body cells minus 25 trillion red blood cells and gametes. Red blood cells have no nucleus and so no chromosomes and gametes have half of them.


The number of possible genetically different gamete for an organism quals 2n where n is the number of pairs of chromosomes if an organism has six pairs of chromosomes how man different gametes can it?

An organism with six pairs of chromosomes (12 total) will produce 2^12 (4096) different genetically unique gametes.


All types of cell except the gametes have a nucleus that contain 46 arranged in 23 pairs?

All cells except gametes have a nucleus that contains 46 chromosomes arranged into pairs.