WorksheetsPopulation genetics
Total questions: 10
Worksheet time: 50mins
In a population of 1000 dragonfly, 80% alleles are dominant. What is the frequency of recessive allele?
0.8
0.2
20%
80%
In a population of 250 rats, calculate the gene pool for length of fur.
250
500
1000
125
If there are 50 flowers, 30 red (RR), 15 pink (Rr) and 5 white (r), what the frequency of the recessive allele?
5%
10%
20%
25%
There are 3 T alleles and 7 t alleles in a population. Calculate the frequency of the recessive allele.
30%
70%
10%
4%
In a population, the frequency of alleles (p) in homozygous dominant individuals is 0.7, and the frequency of alleles (q) in homozygous recessive individuals is 0.3. What is the population's predicted frequency of homozygous recessive alleles if the population is in Hardy-Weinberg equilibrium?
0.09
0.49
0.21
0.42
A population consists of 200 diploid organisms. There are 44 recessive alleles from the total alleles in the population. Find the dominant allele frequency?
0.11
0.22
0.78
0.89
In a pea plant population, R controls the flower colour purple and r controls the flower colour white. In an isolated pea population, there are 36 white flowers and 64 purple flowers. Assuming the population is in Hardy-Weinberg equilibrium, what is the value of q for this population?
0.36
0.80
0.64
0.60
A large population of a particular animal has been allowed to breed randomly for a number of generations. After several generations, 16% of the animals display a recessive trait. What is the frequency of the recessive allele?
0.40
0.25
0.16
0.50
In a population of cows at genetic equilibrium, 750 cows have long horns (dominant trait), while remaining 250 cows have short horns (recessive traits). What is the dominant allele frequency?
0.25
0.5
0.67
0.75
In a population with two alleles, B and b, the frequency of b is 0.56. What would be the frequency of the heterozygotes, assuming Hardy-Weinberg equilibrium?
0.31
0.49
0.55
0.77
