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20. Dimples are controlled by a dominant allele on a single gene. Whitney has dimples, but her husband Alberto and son Pedro do not. What is the chance that Whitney and Alberto’s next child will have dimples?
Ff and Ff
0%
50%
homozygous
PP
heterozygous
50%
50%
6. An organism with a _____________________ genotype has two identical alleles for a trait.
Ff and Ff
0%
50%
homozygous
PP
heterozygous
50%
50%
5. Dimples is dominant to not having dimples. One parent is heterozygous for dimples and the other doesn't have dimples. What is the probability of getting an offspring that will not have dimples?
Ff and Ff
0%
50%
homozygous
PP
heterozygous
50%
50%
14. Freckles (F) are dominant to not having freckles (f). Ana doesn't have freckles but her parents both have freckles. What are the parents' genotypes?
Ff and Ff
0%
50%
homozygous
PP
heterozygous
50%
50%
2. In humans, brown hair is dominant to blonde hair. Complete a Punnett square to show the genotypes expected for the following cross: heterozygous brown x homozygous blonde. What is the probability of getting an offspring that is homozygous brown?
Ff and Ff
0%
50%
homozygous
PP
heterozygous
50%
50%
11. An organism with a _____________________ genotype has two different alleles for a trait.
Ff and Ff
0%
50%
homozygous
PP
heterozygous
50%
50%
19. One cat carries heterozygous, long-haired traits (Ss), and its mate carries homozygous short-haired traits (ss). What is the probability of one of their offspring having long hair ?
Ff and Ff
0%
50%
homozygous
PP
heterozygous
50%
50%
12. Purple flowers (P) are dominant to white flowers (p). A true bred purple flower has the genotype of __________.
Ff and Ff
0%
50%
homozygous
PP
heterozygous
50%
50%
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