WorksheetsHardy Weinberg Questions by A1
Total questions: 10
Worksheet time: 10mins
In a population of 2000 flowers, the alleles for flower colour are red (R) and pink (r) flowers.
32% have pink flowers. Calculate the number of flowers that are heterozygous.
580
1360
983
677
In a population of 8028 frogs, there are large (dominant) and small (recessive) phenotypes. 1600 are small. How many heterozygotes are there?
886
3900
3964
4448
If the frequency of the dominant phenotype is 0.34, what is the frequency of the recessive allele?
0.81
0.66
0.33
0.58
In a population, the allele frequency of p = 0.7. What would be the percentage of homozygous recessive individuals?
30%
70%
9%
42%
Among ladybirds, B is the allele for black spots, b is the allele for red spots.
There were 267 black spotted ladybirds and 74 red spotted ladybirds.
Calculate the expected percentage of heterozygous black spotted ladybirds.
47%
0.5%
50%
53%
In a population of butterflies, the allele for red wings (R) is dominant to blue (r).
If 36% of the butterflies have blue wings, calculate the percentage of butterflies that are heterozygous
65%
30%
48%
42%
The allele for lactose intolerance is h. In a population of 4500, 75% of the population don't have lactose intolerance. How many people would be heterozygous (Hh)?
3300
1750
2250
2830
In a population of 100, 3 people express the dominant phenotype for Huntington's disease.
What percentage of the affected individuals are heterozygous?
2.98%
97%
1.5%
75%
In a population of 3790 cows, 42% have red eyes (ee) and the rest have blue eyes. Work out how many cows are heterozygous.
1591
1819
1723
1820
In a population, 9% of individuals express the recessive phenotype. Which of the following has the correct values for the allele frequencies (p and q) and the percentage of heterozygous individuals (Aa)?
q=0.3
p=0.7
Aa = 42%
q=0.09
p=0.91
Aa = 16.4%
q=0.9
p=0.1
Aa = 18%
q=0.45
p=0.55
Aa = 49.5%
