Hard weinburg

In corn, purple kernels are dominant to yellow. A random sample of 100 kernels is taken from a population in Hardy-Weinberg equilibrium. It is found that 9 kernels are yellow and 91 kernels are purple.

• 0.09

• 0.3

• 0.49

• 0.7

The recessive allele b occurs with a frequency of 0.8 in a population of crabs that is in Hardy-Weinberg equilibrium.

What is the frequency of homozygous dominant individuals?

• 0.8

• 0.64

• 0.04

• 0.32

What is true of populations that are in Hardy-Weinberg equilibrium?

• The populations must be very small.

• Natural selection is occurring.

• Organisms are constantly migrating.

• Mating is random

A population of sheep is in Hardy-Weinberg equilibrium. The allele for white wool (W) has an allele frequency of 0.19, and the allele for black wool (w) has an allele frequency of 0.81.

What is the percentage of heterozygous individuals in the population?

• 31%

• 4%

• 66%

• 15%

When can Hardy Weinberg equation not be used?

• selection

• mutations

• small population

• All of the above

A population of rabbits may be brown (the dominant phenotype) or white (the recessive phenotype). Brown rabbits have the genotype BB or Bb. White rabbits have the genotype bb. The frequency of the BB genotype is 35

What is the frequency of the B allele?

• 0.59

• 0.41

• 0.484

• 7

A population of rabbits may be brown (the dominant phenotype) or white (the recessive phenotype). Brown rabbits have the genotype BB or Bb. White rabbits have the genotype bb. The frequency of the BB genotype is .35

What is the frequency of heterozygous rabbits?

• 0.41

• 0.59

• 0.484

• 0.67

The ability to taste PTC is due to a single dominant allele (T). You sampled 215 individuals in a biology class, and determined that 150 could detect the bitter taste of PTC and 65 could not.

What is the predicted frequency of the recessive allele?

• 0.55

• 0.45

• 0.35

• 0.75

. The ability to taste PTC is due to a single dominate allele "T". You sampled 215 individuals in a biology class, and determined that 150 could detect the bitter taste of PTC and 65 could not.

What is the predicted frequency of the recessive allele

• 0.55

• 0.45

• 0.56

• 0.57

Brown hair (B) is dominant to blond hair (b). If there are 168 brown haired people in a population of 200

What is the predicted frequency of heterozygotes?

• 0.72

• 0.52

• 0.48

• 0.68