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Sex-linked traits what:?
- Thread starter Mercedes
- Start date
L
Little bit of light
Guest
I would say can be carried on the X chromosome, but also the Y chromosome.
academicjoq
New member
The answer from your list is absolutely "A".
First, keep in mind that in the sex determining chromosomes, if the combination is XX it is a female and if the combo is XY, then it is a male.
Due to the difference in size and shape of the X chromosome as compared to the Y (male) chromosome (the X is many times larger and has more chromatids), an X chromosome can carry a gene for a recessive trait on a part of the chromosome that does not even exist on the Y chromosome. Thus, there is no chance that the Y chromosome could carry an allele (a variation of a gene) that would be dominant over the recessive allele that existed on the X. Therefore, males get the trait and the trait is linked to being a male and is called a sex-linked trait.
First, keep in mind that in the sex determining chromosomes, if the combination is XX it is a female and if the combo is XY, then it is a male.
Due to the difference in size and shape of the X chromosome as compared to the Y (male) chromosome (the X is many times larger and has more chromatids), an X chromosome can carry a gene for a recessive trait on a part of the chromosome that does not even exist on the Y chromosome. Thus, there is no chance that the Y chromosome could carry an allele (a variation of a gene) that would be dominant over the recessive allele that existed on the X. Therefore, males get the trait and the trait is linked to being a male and is called a sex-linked trait.