0
Sex linked is general term both for X linked and Y linked traits . Traits present only on Y chromosomeare also called Hollandric .
Wiki User
∙ 12y ago
Yes, the Y chromosome has genetic markers called "haplogroups" that can be thought of as genetic lineages. These haplogroups are used in genetic genealogy to trace paternal ancestry.
Wiki User
∙ 12y agoAdd your answer:
Earn +20 pts
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 many times bigger is the x chromosome from the y chromosome?
In terms of base pairs, the X chromosome is about 155 megabases (million bases), and the Y is about 57 megabases. Note that there can be variation in the lengths of Y chromosomes between men, due to different amounts of constitutive heterochromatin on the long arm. That is, the long arm of the Y contains repeated sequences. The number of these sequences can be different between individuals, thus the size of the chromosome can be different between men.
Why does the X chromosome affect an organisms phenotype more than the Y chromosome?
The X chromosome contains considerably more genetic material than the Y chromosome.
Which chromosome is found only in males?
Y chromosome
What does a person with an X chromosome and a Y chromosome have?
A person with an X and Y chromosome typically identifies as male. The presence of the Y chromosome determines male sex development, leading to the development of male characteristics during puberty.
Is there an X or Y chromosome in an egg?
Yes, egg cells contain an X chromosome, while sperm cells can contain either an X or a Y chromosome. The combination of chromosomes from the egg and sperm determines the genetic sex of the offspring.
Does an x chromosome looks the same as a y chromosome?
No. An 'X' chromosome looks like an 'X'. The 'Y' chromosome looks like a deformed 'X'. It is noticeably different to an 'X' chromosome. Also, the 'Y' chromosome is only a third of the size of an 'X' chromosome - an 'X' chromosome is 155 million base pares, while the 'Y' chromosome is only 58 million base pairs.
Which chromosome carries a gene which is essential for maleness?
The Y chromosome carries the SRY gene (Sex-determining Region Y) which is essential for male sexual development. The SRY gene triggers the development of male sex characteristics during fetal development.
Why is x chromosome called x?
An X chromosome is known as an X chromosome based on its shape, which resembles an X. The Y chromosome resembles a Y.
What are the x and y chromazones?
The Y chromosome is the male sex chromosome, but males also carry a X chromosome from their mother. XY. The female sex chromosome is the Y chromosome; YY is female. ( generally, as sex chromosome number in both sexes can vary )
What is the sry gene?
The SRY gene, also known as the sex-determining region Y gene, plays a critical role in the development of male characteristics in mammals. It is located on the Y chromosome and is responsible for initiating the development of the male reproductive system during embryogenesis. Mutations or abnormalities in the SRY gene can lead to disorders of sex development.
Why is the y chromosome useful for tracing ancestry?
The y-chromosome is only present in males. Men will a y-chromosome identical to that of their father, and his father, and his father, etc.
The Y chromosome is larger and carries fewer genes than the X chromosome?
The Y chromosome is smaller than the X chromosome and carries fewer genes because it has lost many genes over evolutionary time. The Y chromosome primarily carries genes involved in male sex determination and development.
Men have one of y?
The y chromosome. The chromosome pair that determine sex (gender) can have x and y chromosomes; men have one X and one Y chromosome, women have to X chromosomes.
What does a person with an X chromosome and a Y chromosome have?
A person with an X and Y chromosome typically identifies as male. The presence of the Y chromosome determines male sex development, leading to the development of male characteristics during puberty.
Which chromosome is found only in males?
Y chromosome
Why does the X chromosome affect an organisms phenotype more than the Y chromosome?
The X chromosome contains considerably more genetic material than the Y chromosome.
