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Why is it important to reduce the chromosome number by half during mytosis?
Wiki User
∙ 11y ago
mytosis creates sex cells - either eggs (in girls) or sperm (in boys). They have 1/2 the number of chromosomes. When an egg and sperm combine, they create one full cell - one half plus one half = one whole. The fetus is created from that one full cell.
Wiki User
∙ 11y ago
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Polyploid speciation occurs through?
Polyploidy is to have two copies of each chromosome, itâ??s important in crossbreeds to allow reproduction. Polyploidy speciation requires altering a chromosome number; itâ??s more common in plant species.
What is the modal chromosome number?
The modal chromosome number is the most common chromosome number within a population or sample.
When does the chromosome number double?
The chromosome number only doubles when two haploid gametes form to produce a diploid zygote. Example: In humans, sperm cells and eggs have 23 chromosomes, the haploid number. Once they fuse, the number doubles to 46 chromosomes. You may be confusing this with chromosome replication. In chromosome replication, the number of chromosomes does not double, but the number of strands double. (A single stranded chromosome turns into a double stranded chromosome.) However, it is still considered a single chromosome, but with identical sister chromatids. This replication occurs during the S-phase of the cell cycle, before mitosis or meiosis.
One gamete is formed during what process?
The cellular chromosome number is reduced from 2N to 1N.
A somatic cell having two of each type of chromosome has chromosome number?
Diploid
Why The reduction of the chromosome number during meiosis is most important?
maintaining the chromosome number during sexual reproduction
How does the significance of meiosis maintained the chromosome number?
No. Meiosis results in halving of chromosome number. Chromosome number after one round of meiosis is half that of original chromosome number. Generally, meiosis takes place during gamete formation. So when two gametes fuse, they lead to restoration of the chromosome number. Hence chromosome number can be maintained in sexually reproducing organisms.
Polyploid speciation occurs through?
Polyploidy is to have two copies of each chromosome, itâ??s important in crossbreeds to allow reproduction. Polyploidy speciation requires altering a chromosome number; itâ??s more common in plant species.
What does the chromosome number do during meiosis?
During meiosis, the chromosome number decreases by half. For example, if a human cell with 46 chromosomes were to undergo meiosis, the result would be four daughter cells with 23 chromosomes in each.
During meiosis the chromosome number does what?
During meiosis, the chromosome number decreases by half. For example, if a human cell with 46 chromosomes were to undergo meiosis, the result would be four daughter cells with 23 chromosomes in each.
What is the modal chromosome number?
The modal chromosome number is the most common chromosome number within a population or sample.
How does the chromosome number in a diploid cell differ from the chromosome number in a haploid cell?
The chromosome number in hapliod cell is 1 while the dipliod chromosome has 2
What condition is caused by a chromosome going the wrong way during genetic formation producing a zygote with an extra chromosome?
An abnormal number of chromosomes is called aneuploidy. If a chromosome has 3 of its kind, it is trisomic. The exact condition depends on which gene has the extra chromosome.
What chromosome number is diabetes type 2?
Chromosome number 20.
When does the chromosome number double?
The chromosome number only doubles when two haploid gametes form to produce a diploid zygote. Example: In humans, sperm cells and eggs have 23 chromosomes, the haploid number. Once they fuse, the number doubles to 46 chromosomes. You may be confusing this with chromosome replication. In chromosome replication, the number of chromosomes does not double, but the number of strands double. (A single stranded chromosome turns into a double stranded chromosome.) However, it is still considered a single chromosome, but with identical sister chromatids. This replication occurs during the S-phase of the cell cycle, before mitosis or meiosis.
The normal species chromosome number is called the what number?
During cell division the parent cell splits to form what 2 cells
In albinism what chromosome number is affected?
Chromosome 9.
