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Q 1/5
Score 0
Round seed shape is dominant to wrinkled seed shape in pea plants. What genotypic ratio would you expect to see in the offspring if you cross two pea plants with wrinkled seeds?
300
0RR : 0Rr : 4rr
2RR : 2Rr : 0rr
1RR : 2Rr : 1rr
0RR : 4Rr : 0rr
Q 2/5
Score 0
Black fur (B) is dominant to white fur (b) in guinea pigs. An F1 cross was conducted and resulted in 100% heterozygous guinea pigs (Bb). What is the genotypic ratio outcome of the F2 generation?
300
4 Bb
2 BB : 1 Bb : 1 bb
1 BB : 2 Bb : 1 bb
3 Bb : 1 bb
5 questions
Q.
Round seed shape is dominant to wrinkled seed shape in pea plants. What genotypic ratio would you expect to see in the offspring if you cross two pea plants with wrinkled seeds?
1
300 sec
Q.
Black fur (B) is dominant to white fur (b) in guinea pigs. An F1 cross was conducted and resulted in 100% heterozygous guinea pigs (Bb). What is the genotypic ratio outcome of the F2 generation?
2
300 sec
Q.
Phenylketonuria (PKU) is inherited as a recessive condition. A man with PKU marries a woman without any alleles for PKU. What is the probability that their child will inherit PKU?
3
300 sec
Q.
Cystic fibrosis is an autosomal recessive genetic disorder. Which statement BEST explains how cystic fibrosis is maintained in the gene pool?
4
300 sec
Q.
A girl inherited the dominant trait of dimples but her sister did not because both parents had different
