1) List all of the father's possible genotypes.
2) List all of the mother's possible genotypes.
Fatty acid metabolism disorder is an autosomal recessive disorder. Two unaffected parents have 6 children - all of whom are affected.
3) List all of the mother's possible genotypes.
4) List all of the father's possible genotypes.
Fatty acid metabolism disorder is an autosomal recessive disorder. Two unaffected parents have 6 children - 3 of whom are affected, and 3 of whom are unaffected.
5) What are the chances that this couple will have an unaffected child?
6) What are the chances that this couple will have an affected child?
Hemophilia is a sex-linked recessive disorder.
7) List all the possible genotypes of someone not affected with hemophilia
8) List all the possible genotypes of someone affected with hemophilia
If an unaffected woman mates with an unaffected man, and they have 3 children with hemophilia, and one child who is unaffected,
9) What are the chances that the couple will have a child with hemophilia?
10) What are the chances that the couple will have a boy who has hemophilia?
11) What are the chances that the couple will have a girl who does not have hemophilia?
Dimples and long eyelashes are both autosomal dominant traits. If a woman with no dimples, who is heterozygous for long eyelashes, mates with a man who is heterozygous for dimples, and has short eyelashes,
12) What is the woman's genotype?
13) What is the man's phenotype?
14) What are the chances that this couple produces a child with long eyelashes?
15) What are the chances that this couple produces a child with dimples AND with long eyelashes?