Hardy - Weinberg Principle

Author:NCERT
12th CBSE
IMPORTANT

Important Questions on Hardy - Weinberg Principle

EASY
IMPORTANT

Which type of selection explains industrial melanism observed in the moth, Biston betularia?

MEDIUM
IMPORTANT

Name the law that states that the sum of allelic frequencies in a population remains constant. What are the five factors that influence these values?

HARD
IMPORTANT

"Migration may enhance or blur the effects of selection". Comment.

MEDIUM
IMPORTANT

Enumerate three most important characteristic criteria for designating a Mendelian population.

HARD
IMPORTANT

State and explain any three factors affecting allele frequency in populations.

MEDIUM
IMPORTANT

Among the five factors that are known to affect Hardy-Weinberg equilibrium, three factors are gene flow, genetic drift and genetic recombination. What are the other two factors?

HARD
IMPORTANT

In a certain population, the frequency of three genotypes is as follows: 

Genotypes BB Bb bb
Frequency 22% 62% 16%

What is the likely frequency of B and b alleles?

MEDIUM
IMPORTANT

When we talk of functional macromolecules (e.g., proteins as enzymes, hormones, receptors, antibodies etc.), towards what are they evolving?

HARD
IMPORTANT

For the MN-blood group system, the frequencies of M and N alleles are 0.7 and 0.3 respectively. The expected frequency of MN-blood group bearing organisms is likely to be

EASY
IMPORTANT

(p+q)2=p2+2pq+q2=1 represents an equation used in