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Question 5. If the father is colorblind, what are the chances that his sons will also be
colorblind?
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Matching
1. sex-linked trait
a. XX
2. sex chromosome
3. XNXN or XNX
4. Xnxn
5. XNY
6. Xny
7. the female sex chromosomes
8. the male sex chromosomes
b. XY
c. the 23rd pair of human
chromosomes
d. genotype of a colorblind male
e. genotype of a colorblind female
f. a trait which is produced by a gene
on the X chromosome
g. genotype of a male with normal
vision
h. genotype of a female with normal
vision
True or False
1. The 23rd pair of chromosomes in a human cell are called sex
chromosomes.
2. Females have two X chromosomes.
3. Males have two X chromosomes.
4. Females have two Y chromosomes.
5. Males have two Y chromosomes.
6. Females have one X and one Y chromosome.
7. Males have one X and one Y chromosome.
8. Sex-linked traits are produced by genes that are on the X chromosome
but not on the Y chromosome.
9. Sex-linked traits are produced by genes that are on the Y chromosome
but not on the X chromosome.



Answer :

GinnyAnswer

Final answer:

In X-linked inheritance, sons of a colorblind father have a 50% chance of being colorblind, while daughters are carriers of the trait.


Explanation:

X-linked traits are controlled by genes located on the X chromosome. If a father is colorblind, the gene for colorblindness will be passed on to his daughters who will be carriers but not colorblind themselves. However, each of his sons has a 50% chance of inheriting the colorblind gene and being colorblind.


Learn more about Inheritance of Colorblindness here:

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