Question

What is the total collection of genes, at any time in a unit of evolution called?
A. Gene bank
B. Gene library
C. Genome
D. Gene pool

Answer 1

Hardy- Weinberg principle states that in a given population, the frequency of alleles can be stable. It states that the genetic equilibrium and its total sum of allelic frequency should be 1 and it remains the same even though different generations.

Complete answer: Gene pool is the sum of a population’s genetic material at a particular time. The term typically is used for a population of individuals of the same species that include all genes and combinations of genes (sum of the alleles) in the population. A population that has a large and diverse gene pool tends to have increased biological fitness and is usually able to adapt and survive throughout the changes caused by rapid activities in environmental conditions or disease.
A) Gene banks are a type of biorepository that preserve genetic materials. For plants, it is stored in vitro or the plant parts are frozen. It is also preserved by stocking seeds. For animals, sperms and eggs are frozen in zoological freezers.
B) A genomic library is a collection of the total genomic DNA of a single organism. The DNA is stored in a population of identical vectors, each containing a different insert of DNA.
C) A genome is the complete set of sequences of genetic information in an organism. It provides all of the information the organism requires to function. In living organisms, the genome is stored in long molecules of DNA called chromosomes.
Hence, the correct answer is option D.

Note: A gene pool has a high genetic diversity and is able to withstand natural selection as well as environmental stressors. Inbreeding contributes to the creation of a small gene pool and makes populations or species more likely to go extinct when faced with some type of stress.