A wild-type fruit fly heterozygous for gray body color and normal wings was mated with a black fly with vestigial wings to produced 1000 offspring. Recombination frequency between these genes for body color and wing type is 20 %. What number of offspring that is gray body colour and normal wing?

#Question id: 3364

#Unit 9. Evolution & Diversity of Life Forms

Which of the following equations represents the corresponding equilibrium for a locus with three alleles p, q and r of diploid individuals? (P, Q and R represent the frequencies of p, q and r, respectively)

#Question id: 3365

#Unit 9. Evolution & Diversity of Life Forms

Consider a population of 10,000 individuals, of which 2500 are homozygotes (PP) and 3000 are heterozygotes (Pp) genotype. The frequency of allele p in the population is

#Question id: 3366

#Unit 9. Evolution & Diversity of Life Forms

Red-Green color blindness is an X-linked recessive disorder. In a population which is in the Hardy-  Weinberg equilibrium, the incidence of occurrence of this in males is 2:2000. What will be the expected incidence of affected homozygous females?

#Question id: 3367

#Unit 9. Evolution & Diversity of Life Forms

The largest unit within which gene flow can readily occur is a

#Question id: 3368

#Unit 9. Evolution & Diversity of Life Forms

The origin of a new plant species by hybridization, coupled with accidents during nuclear division, is an example of

#Question id: 3369

#Unit 9. Evolution & Diversity of Life Forms

Genetic drift refers to random changes in allele frequencies over time leads to following consequence

a. Loss of genetic diversity per generation   

b. change in allelic frequency just by chance 

c. It caused adaptive evolution

d. It one allele may reach to 0 frequency