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Know whether or not gametes have homologous chromosomes?
Gametes are said to have homologous chromosomes, if they have same genes arranged in same order. During gamete formation meiosis precedes, therefore, individual gamete does not have its homologous counterpart. After fertilization, in diploid nucleus, homologous chromosomes are restored.
In an animal in which the diploid number is 28 the chromosome number of each gamete will be?
The chromosome number in each gamete will be 14, which is half of the diploid number. During meiosis, the diploid cell undergoes two rounds of cell division to produce four haploid gametes, each containing 14 chromosomes.
Certain type of diploid cell contains 58 chromosomes How many chromosomes would you expect a gamete of this organism to contain?
A gamete would be haploid, containing half the number of chromosomes compared to a diploid cell. Therefore, a gamete of this organism would be expected to contain 29 chromosomes.
What process of nuclear division in which the number of chromosomes in certain cells is halved during gamete formation?
Meiosis is the process of nuclear division in which the number of chromosomes in certain cells is halved during gamete formation. This reduction in chromosome number ensures that when two gametes combine during fertilization, the resulting zygote will have the correct number of chromosomes.
The number of chromosomes in a gamete of an organism is its what?
D. Be produced by meiosis
How can nondisjunction in meiosis result in a diploid gamete?
If all of the chromosomes fail to separate in meiosis, then nondisjunction can result in a diploid gamete. This is a type of chromosomal mutation. In animals, a zygote produced from the union of a mutated diploid gamete and a normal haploid gamete will have triploidy, which is lethal. In plants, this is not necessarily lethal.
Is an ovum an diploid gamete or haploid gamete?
An ovum is a haploid gamete. It contains one set of chromosomes (23 in humans) and is produced through meiosis from a diploid cell. When the ovum fertilizes with a sperm cell, it forms a diploid zygote with a full set of chromosomes.
What is the number of chromosomes in a gamete drosophila?
A gamete of Drosophila has 2n chromosomes, which is the haploid number. Drosophila, like most organisms, has a diploid number of chromosomes in its somatic cells. During meiosis, gametes are produced with half the number of chromosomes to maintain the chromosome number in the species.
An organism that reproduces sexually has a diploid number of 30 How many chromosomes will a gamete of this organism have?
A gamete has half the diploid number of chromosomes, so in this case, the gamete would have 15 chromosomes.
Know whether or not gametes have homologous chromosomes?
Gametes are said to have homologous chromosomes, if they have same genes arranged in same order. During gamete formation meiosis precedes, therefore, individual gamete does not have its homologous counterpart. After fertilization, in diploid nucleus, homologous chromosomes are restored.
What is the number of chromosomes each gamete receives after meiosis?
The end result of meiosis is haploid daughter cells with chromosomal combinations different from those originally present in the parent. In sperm cells, four haploid gametes are produced.
In an animal in which the diploid number is 28 the chromosome number of each gamete will be?
The chromosome number in each gamete will be 14, which is half of the diploid number. During meiosis, the diploid cell undergoes two rounds of cell division to produce four haploid gametes, each containing 14 chromosomes.
Which does not occur in mesiosis?
Meiosis? that is when one haploid cell devides into two diploid (gamete) cells, right? Whereas mitosis is complete cell repulation. Hence, I'd say the difference is that DNA synthesis (two lots of DNA) are present in mitosis, whereas the genetic information is split in meiosis. - hence 23 chromosomes in a gamete, not 46.
Certain type of diploid cell contains 58 chromosomes How many chromosomes would you expect a gamete of this organism to contain?
A gamete would be haploid, containing half the number of chromosomes compared to a diploid cell. Therefore, a gamete of this organism would be expected to contain 29 chromosomes.
What process of nuclear division in which the number of chromosomes in certain cells is halved during gamete formation?
Meiosis is the process of nuclear division in which the number of chromosomes in certain cells is halved during gamete formation. This reduction in chromosome number ensures that when two gametes combine during fertilization, the resulting zygote will have the correct number of chromosomes.
How many chromosomes are contained in a human male gamete cell?
In a gamete (sex) cell, there are 23 chromosomes. A gamete is a haploid, or n, whereas a somatic (normal) cell is a diploid, or 2n, and has 46 chromosomes.
The number of chromosomes in a gamete of an organism is its what?
D. Be produced by meiosis
