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Probability of Inheritance Practice Quiz

Last updated over 7 years ago

8 Nsɛmmisa

1

1

1

1

1

1

1

1

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

Punnett squares can be used to predict the probability of:

being exposed to a contagious disease and contracting it

having an inherited disease or a genetically determined physical trait

both of the above

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

Punnett squares are used by geneticists to determine the probability of different offspring genotypes. In the one shown below, what letter(s) belong in the lower right box?

Aa

AA

aa

a

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

If two people who are both carriers for a genetically inherited fatal recessive disease decide to become parents, what will be the odds that their children will also be carriers?

1 out of 4

2 out of 4

3 out of 4

4 out of 4

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

If a woman is homozygous normal and her husband is heterozygous for a genetically inherited recessive disease and they decide to become parents, what is the probability that they will have a healthy child?

1 out of 4

2 out of 4

3 out of 4

4 out of 4

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

If two parents are heterozygous for a genetically inherited dominant trait, what is the probability that they will have a child together who has this trait in his or her phenotype?

25%

50%

75%

100%

Asemmisa {{asɛmmisaAhyɛnsode}}

6.

If two parents are heterozygous for a genetically inherited dominant trait, what is the probability that they will have a child together who has this trait in his or her phenotype?

Asemmisa {{asɛmmisaAhyɛnsode}}

7.

If two parents are homozygous for a genetically inherited recessive trait, what is the probability that they will have a child who does not have this trait in his or her phenotype?

0%

25%

50%

75%

Asemmisa {{asɛmmisaAhyɛnsode}}

8.

If two parents are homozygous for a genetically inherited recessive trait, what is the probability that they will have a child who does not have this trait in his or her phenotype?