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What effect does nondisjunction have on the chromosome number of the gametes?
Wiki User
∙ 13y ago
It gives one of the gametes an extra chromosome and leaves the other gamete with one less chromosome.
Wiki User
∙ 13y ago
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2n number of chromosome in human?
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.
What results in a situation in which the chromosome number is either 2n plus 1 or 2n-1?
aneuploidy
What is the adjective referring to the number of chromosomes in a gamete?
Diploids and Haploids. Haploids have one set of chromosomes (Gametes). Diploids have two sets of chromosomes (Zygotes).
How would a negative sign affects whether or not a number is a rational number?
It would have no effect.
How do you say 0000001?
one The leading zeroes have no effect on the number.
What occurs during nondisjunction?
If nondisjunction occurs, abnormal numbers of chromosomes may find their way into gametes, and a disorder of chromosome numbers may result.
What effect does non disjunction have on the chromosome number of the gametes?
A gamete can possess n+1 or n-1 chromosomes as a result of nondisjunction.
Nondisjunction can alter the number of chromosome as well as autosomes?
Nondisjunction is a very bad thing and cells and can lead to lying of the cell.
The faillure of chromosomes to separate during meiosis is called?
Its called disconjunction. Sometimes it is so bad that they have a miscarriage or the following happens:Trisomy (extra chromosomeso have 47 chromosomes instead of 46)Down's syndrome (andextra number 21 chromosome)Klinefelter's syndrome (males with an extra X chromosome...XXY)
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.
What To maintain the chromosome number of an organism the gametes must?
Be produced by meosis.
A human zygote is normally produced from two gametes that are identical in?
chromosome number
What best describes the function of meiosis?
reduces chromosome number by half, produces gametes
Does sperm contain x and y chromosome?
In humans the male sperm contains EITHER an X chromosome, or a Y chromosome since human gametes are haploid (n) in chromosome number.
What chromosome is the sex determining chromosome?
That would be the chromosome number 23. Regarding the [sex] chromosome number 23, the female gametes always have a [haploid] X chromatid, whereas the male gametes are just as likely to possess a [haploid] X chromatid as they are to possess a [haploid] Y chromatid.
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.
What does a gamete have?
Gametes normally contain only one set of chromosome – this number is called Haploid.
