A normal woman has a father who has red-green colour blindness. She had a child with a man who does not have red-green colour blindness. What is the probability they will have a son with red-green colour blindness

A colorblind man marries a female who is a carrier for colorblindness. What is the probability that they will have a child who is colorblind?

Hemophilia, disease in which the blood lacks a clotting factor, is caused by an X linked recessive gene. Joe doe not have hemophilia and Lucille is heterozygous for the condition.  What is the chance that their MALE child will have hemophilia? (Note: you are calculating the probability for their MALE children only, in other words if they have 1 male child, what is the probability that he will be born with the disease?)     0%     1/4 or 25%     2/4 or 50%     3/4 or 75%     4/4 or 100%

Achondroplasia,is characterized by difficulty converting cartilage to bone and thus results in shortened limbs. This trait is autosomal dominant. (A = achondroplasia allele; a = average height allele.) A husband and wife both have achondroplasia. The couple have a total 12 living children: 6 boys and 6 girls.  The husband is colorblind, which is an X-linked recessive trait, and the wife believes there is a chance she is a carrier of colorblindness, since that trait runs in her family. One of the couple’s daughters and three of their sons are colorblind.  (Xc = colorblindness allele; XC = normal color vision allele.) a) Please list all of the different gametes that the husband can produce. b) Please list all of the different gametes that the wife can produce.

Hemophilia is an X-linked disorder that affects the body’s ability to create blood clots. The allele for normal blood clotting, XH, is dominant over the allele for hemophilia, Xh. An unaffected daughter from the above cross married a man who does not have hemophilia. Determine the probability of their offspring being A daughter with hemophilia A daughter without hemophilia A son with hemophilia A son without hemophilia Express your answer as a phenotypic ratio. Number: Answer Answer Answer Answer Phenotype: Affected female Unaffected female Affected male Unaffected male

A couple can both see red (a sex-linked trait). The allele responsible for red color-blindness is recessive on the X-chromosome. The woman is a carrier for this condition. What are the likely genotypes of this couple? What is the probability of the couple having a daughter who is red colorblind

Hemophilia is an X-linked disorder that affects the body’s ability to create blood clots. The allele for normal blood clotting, XH, is dominant over the allele for hemophilia, Xh.An unaffected female that is not a carrier mated with an affected male. Which of the following rows identifies the possible genotypes of the offspring?

One type of colorblindness is an X-linked recessive trait. If a colorblind man and a woman with normal vision but whose father was colorblind have a girl, what is the probability she will be colorblind? If they have a boy what is the probability he will be colorblind? 1/2 for the girl; 1/4 for the boy O 1/2 for the girl; 100% for the boy O 1/2 for the girl; 1/2 for the boy 1/4 for the girl; 1/2 for the boy O for the girl; 1/2 for the boy

In humans, blue eyes are inherited as a recessive autosomal trait and color blindness is an X-linked recessive trait.  A woman with blue eyes and normal color vision (her father was colorblind) marries a man who has normal color vision.  The man has brown eyes, but his mother had blue eyes.  What is the probability that this couple will have a child with normal vision and blue eyes?