It gives one of the gametes an extra chromosome and leaves the other gamete with one less chromosome.
The product of meiosis I is two haploid cells, each containing half the original chromosome number. During this phase, homologous chromosomes are separated and distributed into two daughter cells, resulting in genetic diversity due to processes like crossing over and independent assortment. These haploid cells will undergo meiosis II to further reduce their chromosome number and ultimately form gametes.
To determine the number of types of gametes each parent produces, you can use the formula ( 2^n ), where ( n ) is the number of heterozygous gene pairs. In problem number 1, if both parents are heterozygous for one trait (Aa), each will produce 2 types of gametes (A and a). In problem number 2, if each parent is heterozygous for two traits (AaBb), they will produce 4 types of gametes (AB, Ab, aB, ab).
Humans have a diploid count (2n) of 46 chromosomes. Knowing this, it is easy to figure out what the haploid count is by halfing 46. Therefore, the haploid number of chromosome (n) is 23 chromosomes.
aneuploidy
To accurately answer the question regarding the types of gametes produced by each parent in "problem number 1" and "problem number 2," the specific details of these problems are necessary. Generally, the number of gamete types can be determined by the formula 2^n, where n is the number of heterozygous gene pairs. If you provide more information about the genetic makeup or traits involved in those problems, I can give a precise answer.
The ploidy of the gametes produced by a tetraploid individual with nondisjunction of all chromosomes during meiosis would be diploid. This is because, in nondisjunction, the chromosomes do not separate properly, leading to the formation of gametes with double the normal chromosome number.
A gamete can possess n+1 or n-1 chromosomes as a result of nondisjunction.
The failure of chromosome pairs to separate properly during meiosis is called nondisjunction. This can lead to an incorrect number of chromosomes in the resulting gametes, causing aneuploidy in the offspring. Aneuploidy can result in genetic disorders such as Down syndrome.
The human gametes are Male gametes are sperm and female gametes are eggs. And the gametes chromosome numbers are 42.
The failure of chromosomes to separate during meiosis is called nondisjunction. This can result in an incorrect number of chromosomes in the daughter cells, leading to genetic disorders such as Down syndrome.
primary can happen in meiosis and as a result produces gametes with more than or less than the original number of chromosomes. secondary occur in an individual whose chromosomes already has the wrong number because of non disjunction.
Nondisjunction can occur during the separation of chromosomes in meiosis, specifically during the anaphase stage. This can lead to an abnormal number of chromosomes in the resulting gametes.
Nondisjunction is the failure of chromosome pairs to separate properly during cell division. This can result in an abnormal number of chromosomes in the daughter cells, which can lead to genetic disorders such as Down syndrome.
It is the failure of chromosome pairs to separate properly during cell division.
Nondisjunction is a chromosomal abnormality that results in the failure of homologous chromosomes or sister chromatids to separate properly during cell division. This can lead to an uneven distribution of chromosomes in daughter cells, causing genetic disorders or conditions such as Down syndrome.
Be produced by meosis.
reduces chromosome number by half, produces gametes