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WorksheetsPunnett Square Review Quiz
Total questions: 14
Worksheet time: 14mins
A (a) is the DNA or allele combination for a trait. The physical, observable trait is called the (b)
Match the following
bb
Recessive
BB
Dominant
Bb
Dominant
If the 2 alleles of a trait are different, the individual is ______.
Homozygous
Heterozygous
If the 2 alleles of a trait are the same, the individual is ______.
Homozygous
Heterozygous
T=tall and t=short. In the Punnett Square below, what belongs in the missing square?
TT
Tt
tt
tT
What percent of offspring will be heterozygous from this cross?
BB=25%
Bb=50%
bb=25%
HH is crossed with Hh. What is the probability that the offspring will be hh?
0%
25%
50%
100%
B= Brown and b=blonde hair. What is the probability of brown hair?
75%
25%
50%
100%
What is the likelihood that the offspring will be yellow?
0%
25%
50%
100%
Having a Widow's Peak is dominant (W) over not having one (w). If parent A (WW) and parent B (ww) have a child, what is the likelihood that--
The child will have a widow's peak
100%
The child will not have a widow's peak
0%
The genotype of these children
Ww
Select the boxes in the Punnett Square where you would find heterozygous offspring.
Complete the punnett square
T T
T t top row
T t bottom row
t t
According to this Punnett square (a) Of the offspring will be homozygous dominant, (b) Of the offspring will be heterozygous, and the remaining 25% will homozygous (c) . As for the phenotypes, (d) Of the flowers will be (e) .
