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What is on the Y chromosome that may provide instructions for sperm production?
Wiki User
∙ 6y ago
The much smaller Y chromosome has only about 26 genes and gene families. Most of the Y chromosome genes are involved with essential cell house-keeping activities (16 genes) and sperm production (9 gene families). Only one of the Y chromosome genes, the SRY gene, is responsible for male anatomical traits.
When any of the 9 genes involved in sperm production are missing or defective the result is usually very low sperm counts and subsequent infertility. About 1/3 of couples is unable to have children as a consequence of the male mate not having the necessary sperm producing genes on his Y chromosome. The Y chromosome has few active genes and mostly contains genetic junk rather than genes.
Wiki User
∙ 6y ago
Wiki User
∙ 6y agoThere is one gene on the Y that is responsible for producing sperm: The Boule gene. As far as can be determined, every animal or fish has this gene.
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Is there an X or Y chromosome in an egg?
An egg will have the X chromosome and the sperm will have an X or Y chromosome.
What do you call it when the sperm provides a Y chromosome and the egg provides an X chromosome?
a girl
What TYPE of a sperm must fertilize an egg to result a female child?
X Chromosome results in a female Y Chromosome results in a male All sperm are either going to be an X or Y chromosome All eggs are X chromosome only
What percent of sperm carry the X-X chromosome pair?
Zero %; as in No Such exists. Meiotic Cells [Eggs and Sperm] each contain a single chromosome (n).
What chromosomes make a boy or a girl?
It is because males produce sperm cells with the X chromosome and sperm cells with the Y chromosome. If a sperm cell with a Y chromosome fertilizes an egg, then that child would be a boy, as the Y chromosome produces male offspring. If a sperm cell with a X chromosome fertilizes an egg, then the child would be a girl, as X is the female chromosome. The mother always passes on a X chromosome, but the father can pass on an X or a Y and thus determine the sex of the baby.
How do you increase y chromosome?
This is not something you can choose to do. Sometimes a little accident happens during conception or during production of the sperm cell.
How many different kind of sperm?
Two, sperm that has an X chromosome and sperm that has a Y chromosome, all things being normal all sperm have the same chromosome count.
Which chromosome from the sperm is necessary to produce a female?
Y chromosome
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.
Is it the guy's sperm that makes the gender of a baby?
Yes. Sperm carry either an X or a Y chromosome. The eggs from a female's ovaries is always X. If the sperm has an X chromosome, the baby will be female. If the sperm has a Y chromosome, the baby will be male.
How is a baby sexs determine?
It's determined by the genetic chromosome of the sperm. Women have only one X chromosome in the egg (both egg and sperm have 23 pairs of chromosomes, which unite to form 46). On the other hand, men have either X or Y chromosomes. If an egg (X chromosome) joins with an X chromosome sperm, the result will be a girl. If an egg (X chromosome) joins with a Y chromosome sperm, the result will be a boy. In other words: the guy determines the sex of a baby :)
Is there an X or Y chromosome in an egg?
An egg will have the X chromosome and the sperm will have an X or Y chromosome.
Are you more likely to have a boy if the father's family are all boys?
It is the sperm that fertilizes the egg that will determine the sex of your baby. Some sperm carry the X-chromosome and some sperm carry the Y-chromosome. If an X-chromosome-carrying sperm fertilizes the egg, the baby will be a girl. If a Y-chromosome-carrying sperm fertilizes the egg, the baby will be a boy.
How baby's sex is determined?
The babies sex is determined by the sperm. The egg has XX chromosome and each sperm cell is either a XX or XY chromosome. So which ever sperm cell reaches the egg and implants determines the sex. If the sperm was an XX chromosome the baby would be a girl, if the sperm was XY chromosome the baby will be a boy. Hope this helps!
What determines if a pregnant women has a male or female?
The sperm can have either X or Y sex chromosome. If the sperm with X chromosome fertilize the ovum, you get female baby. If the sperm with Y chromosome fertilize the ovum, you get male baby. Ovum always has got X chromosome in it.
What type of sperm must fertile as egg to result in a female child?
The sperm must have an X chromosome as opposed to a Y chromosome.
Which chromosomes from the sperm is necessary to produce a male?
x chromosome...!
