1-4: a, b, c, or d If alele frequency remains the same over multiple generations
ID: 207525 • Letter: 1
Question
1-4: a, b, c, or d
If alele frequency remains the same over multiple generations the population is D. Experiencing exponential growth O C. Not evolving O B. Evolving E. A and B but not C and D O A. Experiencing logistic growth Question 2 0.25 pts For a population in Hardy-Weinberg equilibrium, we can use known allele frequencies (p and q) to calculate__... with the equation p+2p+q2-1 O Homozygous dominant genotype frequencies O All of these are correct None of these are correct O Homozygous recessive genotype frequencies O Heterozygous genotype frequenciesExplanation / Answer
1) The correct option is C. not evolving.
if allele frequency remains the same over multiple generation the population is not evolving, because the condition of an allele or genotype in a population where the frequency does not change from generation to generation.
2) The correct option is All of these are correct.
The Hardy-Weinberg equilibrium is a principle, which stating that the genetic variation in a population will remain same from one generation to the next in the absence of disturbing factors.
A single locus with two alleles denoted A and a with frequencies f(A) = p and f(a) = q, respectively, the expected genotype frequencies under random mating are f(AA) = p2 for the AA homozygotes, f(aa) = q2 for the aa homozygotes, and f(Aa) = 2pq for the heterozygotes.
3) The correct option is Genetic drift and Bottlenecks, but not selection.
Genetic drift is a process of evolution in which allele frequencies of a population change over generations due to chance and sampling error. It has major effects when a population is sharply reduced in size by a natural disaster as bottleneck effect or when a small group splits off from the main population to found a colony as founder effect.
4) The correct option is The Biological Species Concept.
A species is a group of individual organisms, which interbreed and produce fertile and viable offspring.
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