A Child Was Found to Express the M+N+ Phenotype

question 26

Multiple Choice

A child was found to express the M+N+ phenotype. The mother's phenotype was M+N-, as was the father's. What type of exclusion is evident in this case?

• A) Direct
• B) Indirect
• C) No exclusion
• D) None of the above

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Definitions:

Insects

Small arthropods belonging to the class Insecta, characterized by a three-part body, compound eyes, and one pair of antennae.

Cenozoic

The current geological era, beginning 66 million years ago and marked by significant evolutionary developments.

Punctuated Equilibrium

A hypothesis that new organisms or new characteristics of an existing organism appear rather suddenly in geologic terms instead of evolving gradually.

Fossil Record

The totality of fossilized plants and animals found in the earth's crust, providing evidence of past life forms.