Exam 5: Modern Evolutionary Theory

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

Mutations that are invisible to selection are

(Multiple Choice)
4.7/5
(73)

When Mendel first transferred pollen from a yellow pea plant to a green pea plant he observed that all of the first generation of plants bore yellow peas.

(True/False)
4.8/5
(92)

A particular form of genetic drift that occurs when a small group, recently derived from a larger population, migrates to a relatively isolated location is referred to as

(Multiple Choice)
4.8/5
(98)

The double-stranded structure of DNA was proposed in 1953 by James Watson and Francis Crick.

(True/False)
5.0/5
(76)

In individuals with heterozygous genotypes, it is always the dominant alleles that are passed from parents to offspring.

(True/False)
4.9/5
(82)

In order to initiate the production of proteins, mRNA must destroy the DNA double helix.

(True/False)
4.8/5
(85)

New variation in a species can occur only through

(Multiple Choice)
4.9/5
(89)

From his plant breeding experiments, Mendel concluded that an organism's genetic make-up, its ________, can differ from the organism's observable appearance, its ________.

(Multiple Choice)
4.9/5
(63)

If one of Mendel's pea plants produced yellow peas (i.e., was phenotypically a yellow pea plant), but could also pass on the gene for green peas, that plant would be described as

(Multiple Choice)
4.9/5
(81)

Biologists interpret expressed, or observable, characteristics as being the result of interactions between

(Multiple Choice)
4.9/5
(84)

Gene flow is the process whereby genes pass from one population's gene pool to another through

(Multiple Choice)
4.8/5
(97)

Which of the following are genetic sources of variation?

(Multiple Choice)
4.8/5
(73)

Genetic drift is a result of population fission.

(True/False)
4.7/5
(94)

The development of the "modern synthesis" in evolutionary theory during the late 1930s and early 1940s was led by

(Multiple Choice)
4.8/5
(63)

Natural selection can act on behavioural traits.

(True/False)
5.0/5
(78)

Which of the following is not an outcome of meiosis?

(Multiple Choice)
4.8/5
(82)

How does the founder effect lead to genetic drift?

(Essay)
4.7/5
(78)
Showing 21 - 37 of 37
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)