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What effect does nondisjunction have on the chromosome number of the gametes?
It gives one of the gametes an extra chromosome and leaves the other gamete with one less chromosome.
Genes that are carried on either the X or the Y chrmosome?
Genes that are carried on the X or Y chromosome are referred to as sex-linked genes. The X chromosome contains a larger number of genes compared to the Y chromosome, which has fewer genes primarily associated with male sex determination and spermatogenesis. Inheritance patterns of these genes can lead to sex-linked traits, such as hemophilia or color blindness, which are often more prominent in males due to their single X chromosome. Traits linked to the Y chromosome, however, are passed from father to son and are less common.
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 about a real life situation to explain why a negative times a negative number will give a positive number?
there is no real life situation
WHAT IS a whole number plus a negative number?
A whole number plus a negative number results in a value that can be either a whole number or a negative number, depending on the magnitude of the numbers involved. If the absolute value of the negative number is less than the whole number, the result will be a positive whole number. If the absolute value of the negative number is greater than or equal to the whole number, the result will be zero or a negative number.
What is the process that results in changing of chromosome number?
Non-disjunction
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.
A situation in which chromosome number can be represented as either 2n plus 1 or 2n-1 is called?
Aneuploidy: Is when an uncomplete gamete unites with a complete gamete to form an unequal value of chromosomes in the zygote. There are two forms that may exist in aneuploidy, Trisomic (2n+1) and monosomic (2n-1).An aneuploid individual has either too many or too few chromosomes, usually as a result of nondisjunction.
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.
Which Forms cells with half the chromosome number of the parent cell?
Sex cells, such as sperm and egg cells, are formed through the process of meiosis, which results in cells with half the chromosome number of the parent cell. This reduction in chromosome number is essential for sexual reproduction and ensures that when the sperm and egg cells combine during fertilization, the resulting zygote will have the normal chromosome number.
Do mitosis and meosis have the same chromosome number?
No, mitosis and meiosis do not have the same chromosome number in their resulting cells. Mitosis produces two daughter cells that each have the same chromosome number as the original cell (diploid in humans, for example). In contrast, meiosis results in four daughter cells, each with half the chromosome number of the original cell (haploid in humans), which is essential for sexual reproduction.
What is Meiosis definition?
Meiosis is the type of cell division that results in gametes (sex cells) that possess half the chromosome number of the parent cell. In other words, meiosis reduces the chromosome number by one-half.
What is the Chromosome number is reduced by a process called?
The chromosome number is reduced by a process called meiosis. Meiosis is a specialized cell division process that results in the formation of gametes (sperm and egg cells) with half the number of chromosomes as the parent cell.
What number of chromosomes are affected in tourette syndrome?
Either chromosome 13 or 7. Mostly 13
Change in chromosome number in mitosis and meiosis?
In mitosis, the chromosome number remains constant - each daughter cell receives the same number of chromosomes as the parent cell. However, in meiosis, the chromosome number is halved - the resulting gametes have half the number of chromosomes compared to the original parent cell.
What is miosise?
A type of cell division that results in two daughter cells each with half the chromosome number of the parent cell.
How does the chromosome number gets reduced in anaphse1?
During anaphase I of meiosis, homologous chromosomes are separated and pulled to opposite poles of the cell. This process results in the reduction of the chromosome number because each daughter cell will receive only one chromosome from each homologous pair, effectively halving the chromosome number compared to the original diploid cell. Consequently, if the original cell has a diploid number of chromosomes, the resulting cells will be haploid.
