Which of the Following Represents the Strongest Evidence That Two

question 35

Multiple Choice

Which of the following represents the strongest evidence that two of the three middle ear bones of mammals are homologous to certain reptilian jawbones?

• A) They are similar in size to the reptilian jawbones.
• B) They are similar in shape to the reptilian jawbones.
• C) The mammalian jaw has fewer bones than does the reptilian jaw.
• D) These bones can be observed to move from the developing jaw to the developing middle ear in mammalian embryos.

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Definitions:

Protein Lack

A nutritional deficiency state where there is an inadequate intake of proteins, leading to health issues such as muscle wasting and immune system dysfunction.

Duplication

Change in chromosome structure in which a particular segment is present more than once in the same chromosome.

Repeat Segment

A sequence of DNA that is repeated multiple times within the genome.

Chromosome

A long DNA molecule with part or all of the genetic material of an organism, which are located inside the nucleus of animal and plant cells.