Answer:
a: 1/4
b: 1/2
c: 1/4
d: 0
Explanation:
Since the wife had a color-blind father (X^cY), she should be a carrier for the disease. Her genotype would be "X^cX". Fathers do not transmit the X-linked disorders to their sons, so the genotype of the husband is "XY".
a. The probability that the couple's first child will be a normal son: 1/4
b. The probability that the couple's first child will be a normal daughter: 1/2
c. The probability that the couple's first child will be a color-blind son: 1/4
d. The probability that the couple's first child will be a color-blind daughter: Zero
Nucleic acids<span> are important because they make up genetic information in living things. There are two types of </span>nucleic acid<span> and they are DNA and RNA. DNA is the basic instructions for living things. It is passed down from parent to offspring and is found in the nucleus of the cell.</span>
Answer:
Heterozygous
Explanation:
Heterozygous mean 'different' and homzyg mean 'same'. They have Bb, they are 2 different alleles so its heterozygous.