If Additional DNA Sequence Evidence Shows That Yeast Genes for Synthesizing

question 28

Multiple Choice

If additional DNA sequence evidence shows that yeast genes for synthesizing proteins are more similar to protein-synthesizing genes in bacteria than those in archaea, a modern systematist would ________.

• A) redraw the phylogeny to show eukaryotes sharing a more recent common ancestor with bacteria than archaea
• B) redraw the phylogeny to show more recent common ancestry between archaea and yeast than between eukaryotes and archaea
• C) retain the phylogeny that shows a more recent common ancestor between eukaryotes and archaea
• D) retain the phylogeny that shows a more recent common ancestor between bacteria and archaea

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Definitions:

Integumentary

Referring to the integumentary system, which consists of the skin and its associated structures such as hair, nails, and glands, serving to protect the body.

Melanin

A pigment that gives color to the skin, hair, and eyes.

Brown-black Pigment

Melanin, the natural substance in the body that gives color to the skin, hair, and eyes, and offers protection against UV radiation.

Subcutaneous

Concerning anything that is situated below the skin layer.