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Females have XX chromosomes and males have XY chromosomes.

Sex-linked traits are almost always carried on the X chromosome.

Males are more likely to inherit sex-linked traits because they have only one chromosome that can carry a trait. If a male gets a recessive sex-linked trait, they will always acquire it because they have no other chromosome that will dominant over the recessive. In contrast, females have two X chromosomes which carry sex-linked traits. If they receive a recessive sex-linked trait, they always have one other chromosome that could be dominant over the other.

For example:

B - regular vision trait

b - color blindness

If a female has a colorblind father (XbY) and a mother with regular vision (XBXB), she will have XBXb. Even though the recessive colorblind trait was passed onto her, she will still have regular vision because of her other chromosome. Thus, she will be a carrier for colorblindness.

Say the daughter above had children with a man with regular vision (XBY). If they have a son, there is a 50% chance he will be colorblind because of his mother who is a carrier. If they had a daughter, no matter what, she would always have regular vision with 50% chance that she will be a carrier.

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13y ago
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15y ago

Women can also inherit sex linked traits because they are carried on the X chromosome. This means that men are more likely to inherit it, even if it's recessive, because men only have one X chromosome. In the case of a recessive sex-linked mutation, the woman would need to inherit two of the mutated X Chromosomes whereas a man would only need one.

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12y ago

because of unopposed alliles on y chromosome

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Q: Why are males more likely to inherit sex-linked traits?
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Males.


What traits are more likely to be found in males?

Dominant traits.


Are sex linked traits more or less likely to show up in males?

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Who do males inherit sex-linked recessive traits from?

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Can males be carriers of sexlinked traits?

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What statement is true about recessive sex-linked traits such as color blindness?

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Because they olny have one X chromosome.


A trait that can only be inherited by a male would be a?

Y-linked (sex-linked) - it would only be found on the Y chromosome - and therefore it is impossible for a female to inherit this.X-linked recessive traits are much more likely to occur in males, but it is still possible for a female to have them (if they have a defective gene on both their X chromosomes).


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