Which of the following is correct statement?

A. Co-evolution occurs when two or more species reciprocally affect each other's evolution through the process of natural selection.

B. Co-evolution is likely to happen when different species have close ecological interactions with one another.

C. Plant and insect is classical example of co-evolution to maintain ecological interaction

D. Co-evolution is likely to evolution of similar trait in different species

#Question id: 3265

#Section 2: Evolution

If the curve shifts to the left or to the right, there is no gene flow, and the population size consequently increases over successive generations, then which of these is (are) probably occurring?

#Question id: 3524

#Section 2: Evolution

Which of the following genotypes would produce the greatest variety of gametes of the alleles assorted independently?

#Question id: 3266

#Section 2: Evolution

One species mates at the season when daylight is increasing from 13 hours to 13 hours, 15 minutes; another species mates at the season when daylight is increasing from 14 hours to 14 hours, 15 minutes. The isolating mechanism is

#Question id: 3267

#Section 2: Evolution

In a typical Mendelian population, individuals carrying gene ‘a’ in homozygous condition suffer from phenylketonurea. Those with A in homozygous condition are normal. Others, who are heterozygotic with Aa, are carriers. If the frequency of ‘a’ in a population is 0.20, what is the percentage of normal individual in the population?

#Question id: 3268

#Section 2: Evolution

A population of insects is in Hardy-Weinberg equilibrium for a gene with alleles A = orange and a = yellow eyes. There are 91% orange and 9% yellow individuals in the population. If the fitness of the yellow phenotype suddenly drops to zero, what will be the allele frequency in the next generation?

#Question id: 4721

#Section 2: Evolution

PKU, results from a recessive allele; persons homozygous for this allele, if untreated, exhibit mental retardation, blue eyes, and light skin color. This character categorized as