Genetics and evolution

Question 1 of 10

In a population, 16% show a recessive trait (aa). The frequency of allele a is

Question 2 of 10

In a population where the recessive allele frequency q = 0.4, the frequency of heterozygotes (Aa) is

Question 3 of 10

A cross between a homozygous tall plant (TT) and a homozygous short plant (tt) gives offspring that are

Question 4 of 10

Codominance is shown by the

Question 5 of 10

Sickle cell anaemia is an example of

Question 6 of 10

A person with blood group O can donate blood to

Question 7 of 10

Lamarck's theory of evolution was based on

Question 8 of 10

Allopatric speciation occurs when populations are

Question 9 of 10

A colour-blind man marries a woman who is not a carrier. The probability that their son is colour-blind is

Question 10 of 10

Sickle cell anaemia is inherited as