Bio 1010 - General Biology » Fall 2022 » Lab 12 Quiz

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Question #1
A man who has curly hair is married to a woman with straight hair. What is the probability that their children will have straight hair? Curly: H' H' Wavy: H' H Straight: H H
A.   100%
B.   0%
C.   50%
D.   25%
E.   75%
Question #2
Two people with sickle-cell traits are married. What is the probability that their children to have sickle-cell traits? Normal: HbA HbA Trait: HbA HbS Disease: HbS HbS
A.   50%
B.   75%
C.   100%
D.   25%
E.   0%
Question #3
A person with blood type AB is married to a person with blood type O. What is the probability that their children will have blood type O?
A.   50%
B.   75%
C.   25%
D.   100%
E.   0%
Question #4
The heterozygous genotype shows an intermediate phenotype between two homozygous genotypes. What is the mode of inheritance?
A.   Codominance
B.   Complete dominance
C.   Sex-linked
D.   Incomplete dominance
Question #5
A man who has curly hair is married to a woman with straight hair. What is the probability that their children will have wavy hair? Curly: H' H' Wavy: H' H Straight: H H
A.   0%
B.   75%
C.   25%
D.   100%
E.   50%
Question #6
A person with heterozygous for blood type B is married to a person with blood type O. What is the probability that their children to have blood type O?
A.   100%
B.   50%
C.   75%
D.   0%
E.   25%
Question #7
Hemophilia is an X-linked recessive trait. A normal man is married to a carrier for hemophilia woman. What is the probability that their daughters to have normal blood-clotting?
A.   50%
B.   0%
C.   75%
D.   25%
E.   100%
Question #8
PTC tasting is due to a dominant allele. The genotype of a person who cannot taste PTC is ________________.
A.   tt
B.   TT
C.   Tt
D.   cannot be determined
Question #9
Two people with sickle-cell traits are married. What is the probability that their children to be normal? Normal: HbA HbA Trait: HbA HbS Disease: HbS HbS
A.   50%
B.   25%
C.   100%
D.   0%
E.   75%
Question #10
A person with blood type AB is married to a person with heterozygous for blood type B. What is the probability that their children to have blood type B?
A.   75%
B.   0%
C.   100%
D.   25%
E.   50%
Question #11
Hemophilia is an X-linked recessive trait. A hemophiliac woman is married to a normal man. What is the probability that their sons to be normal?
A.   100%
B.   50%
C.   25%
D.   0%
E.   75%

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