A Zygote Fails to Undergo Mitosis Because of a Mismatch

question 30

Multiple Choice

A zygote fails to undergo mitosis because of a mismatch in the number of chromosomes. This is an example of

• A) hybrid sterility.
• B) zygote mortality.
• C) prezygotic isolation.
• D) temporal isolation.
• E) allopatric speciation. In this case, mating occurs but fails after the zygote dies due to the inability to complete mitosis. Thus, this is an example of zygote mortality.

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Definitions:

Echoic Memory

A subtype of sensory memory that retains auditory information for a short period after the original sound is heard.

Fleeting Memory

A brief or rapidly fading memory, often unable to be recalled after a short period of time.

Paying Attention

The act of focusing cognitive resources on a particular stimulus or task, while filtering out distractions.

Professor's Lecture

An educational talk given by a professor to students, usually as part of a university or college course, intended to convey knowledge on a particular subject.