If the frequency of recessive allele causing disease in homozygous recessive condition in a population of 10,000 is 0.04, then the number people affected by disease will be (1) 16 […]
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CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Calculating Heterozygote Frequency in Hardy-Weinberg Populations: Step-by-Step Guide
In a population obeying Hardy-Weinberg equilibrium, the frequency of recessive allele is 0.88, while of dominant allele us 0.12. The frequency of heterozygotes in population will be- (1) 11.1 % […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
When Is Heterozygosity Highest? Understanding Allele Frequencies and Heterozygote Proportions
Consider alleles ‘A’ and ‘a’ in a population. The frequency of heterozygotes will be highest when: (1) Frequency of ‘A’ is more than frequency of ‘a’ (2) Frequency of ‘A’ […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Hardy-Weinberg Law for Three Alleles: The Trinomial Expansion Explained
If a gene have a three alleles namely p, q, r. Then Hardy- Weinberg law can be represented as- (1) (p+q+r)2 (2) (p+q+r)3 (3) (p+q+r) (4) (P+q)2 Hardy-Weinberg Law […]
CSIR NET Life Science Previous Year Questions and Solution on Origin of cell and Unicellular Evolution
Disruptive Selection: The Evolutionary Force Favoring Extremes Over Intermediates
Self-cross between Aa results in AA, Aa & aa F1 progenies, the force of evolution preserving either AA or aa is- (1) Stabilizing selection (2) Cyclic (3) Disruptive (4) Directional […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Hardy-Weinberg Law: Why It Applies Only to Non-Evolving Populations
Hardy Weinberg law operates on- (1) Non-evolving population (2) Slow evolving population (3) Random evolving population (4) Fast evolving population Hardy-Weinberg Law: Why It Applies Only to Non-Evolving Populations […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Heterozygote Advantage: The Evolutionary Benefit Behind Sickle Cell Trait and Malaria Resistance
A person heterozygous for sickle cell anemia has advantage for both malaria and sickle cell anemia. It illustrates (1) Directional selection (2) Heterozygote advantage (3) Disruptive selection (4) Directed mutation […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
How to Calculate the Frequency of a Dominant Allele from Homozygous Recessive Disease Prevalence
In a population frequency of a homozygous recessive disease is 16% then the frequency of dominant allele would be (1) 0.84 (2) 0.6 (3) 0.16 (4) 0.4 How to […]
CSIR NET Life Science Previous Year Questions and Solution on Emergence of Evolutionary Thoughts
Stabilizing Selection: The Evolutionary Force That Maintains the Mean
Selection which operates against any direction and donot allow to disrupt the existing mean is termed as (1) Directional (2) Stabilizing (3) Disruptive (4) Balancing Introduction In the grand tapestry […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
How the Hardy-Weinberg Law Helps Detect Allele Frequencies in Populations
Hardy Weinberg law helps in detecting- (1) Allele frequency (2) Outbreeding (3) Genetic drift (4) Inbreeeding How the Hardy-Weinberg Law Helps Detect Allele Frequencies in Populations The Hardy-Weinberg law is a […]
