No student devices needed. Know more
13 questions
Which trait is dominant?
Brown hair
Blonde hair
What genotype does the F1 daughter with brown hair have?
BB
Bb
bb
If the P generation had another child, what are the chances that it will have blonde hair?
0%
25%
50%
75%
100%
Cystic Fibrosis is a recessive trait. Which genotype(s) will not have cystic fibrosis? Pick two.
CC
Cc
cc
Cystic Fibrosis is a recessive trait. Which phenotype will show from a heterozygous genotype (Cc)?
CC
Cc
cc
Normal (unaffected or carrier)
Cystic Fibrosis (affected)
Cystic Fibrosis is a recessive trait. What is the genotype of Bill?
CC
Cc
cc
Cystic Fibrosis is a recessive trait. What is the phenotype of Karen?
Cystic fibrosis (affected)
Normal (unaffected or carrier)
Cystic Fibrosis is a recessive trait. What is the genotype of Sally?
CC
Cc
cc
Cystic Fibrosis
Normal
Cystic Fibrosis is a recessive trait. If Barbie and Ken have another child, what are the chances that it will not have cystic fibrosis? (Hint: make a punnett square)
0%
25%
50%
75%
100%
Cystic fibrosis is a recessive trait. If Karen and Dan have another child, what are the chances that it will have cystic fibrosis? (Make a punnett square!)
0%
25%
50%
75%
100%
The shaded individuals have the recessive phenotype. Which cross represents individuals III 1 and III 2?
TT x TT
TT x Tt
Tt x Tt
Tt x tt
tt x tt
Individuals II 1 and II 2 have some children with dominant phenotypes and some with recessive phenotypes. Which cross represents the genotypes of individuals II 1 and II 2?
TT x TT
TT x Tt
Tt x Tt
Tt x tt
tt x tt
Click on the affected female in generation III.
Explore all questions with a free account