The theory of neutral evolution describes a. The rate of mutation at a site that
ID: 261719 • Letter: T
Question
The theory of neutral evolution describes
a.
The rate of mutation at a site that results from purifying selection, regardless of the size of the population.
b.
The rate of mutation at a site in the absence of selection, regardless of the size of the population.
c.
The competition between genetic drift and natural selection within the genome.
d.
Both a and b.
e.
Both b and c.
Which of these statements about the link between phenotypes and genotypes is not always true?
a.
The environment can affect how a phenotype will develop.
b.
A single genotype can produce multiple phenotypes.
c.
Human height is controlled by more than one gene.
d.
Diseases are caused by recessive genes.
Rapid coevolution of species in mutualistic relationships can result when
a.
Some of the alleles in a population have higher fitness than others.
b.
Alleles are swept to fixation.
c.
Selection is frequency dependent and positive.
d.
Selection is frequency dependent and negative.
Which of the following support(s) the concept of descent with modification?
a.
All living organisms share a common code of genetic instructions.
b.
Flowers and insects often share a helpful partnership.
c.
Many mammals have the same pattern of bones in their forelimbs.
d.
Both a and c
e.
All of the above
f.
None of the above
How do selective sweeps on an allele affect flanking stretches of DNA?
a.
Flanking regions are the same in many individuals in the population.
b.
Flanking regions are eliminated.
c.
Higher levels of recombination occur.
d.
Selective sweeps do not affect flanking regions.
a.
The rate of mutation at a site that results from purifying selection, regardless of the size of the population.
b.
The rate of mutation at a site in the absence of selection, regardless of the size of the population.
c.
The competition between genetic drift and natural selection within the genome.
d.
Both a and b.
e.
Both b and c.
Explanation / Answer
1. B. The rate of mutation at a site in the absence of selection, regardless of the size of the population.
2. D. Diseases are caused by recessive genes.
3. c. Selection is frequency dependent and positive.
4. D. both a and c
5. A. flanking regions are the same in many individuals in the population
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.