One of Fisher's Important Mathematical Demonstrations Was That Natural Selection

question 10

Multiple Choice

One of Fisher's important mathematical demonstrations was that natural selection progresses through

• A) changes in the organism to fit the characteristics of the environment.
• B) cyclical patterns of rapid spurts of change following by long periods of stability.
• C) mutations that may or may not be beneficial to the species.
• D) the accumulation of many small changes in genes rather than a few large changes.

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Definitions:

Sister Chromatids

Two identical copies of a chromosome that are connected by a centromere, formed during DNA replication and separated during cell division.

Tay-Sachs Disease

A genetic disorder that destroys nerve cells in the brain and spinal cord, leading to severe neurological impairment.

Lysosomal Enzyme

Enzymes within lysosomes that break down biomolecules, playing a crucial role in cellular digestion and waste removal.

Brain Cell

A general term for any of the cells found within the brain including neurons that process and transmit information, and glial cells that provide support and protection for neurons.