New Mutations That Arise Within a Population Are Typically Lost

question 2

Multiple Choice

New mutations that arise within a population are typically lost primarily do to

• A)most mutations occur in individuals that are exposed to environmental mutagens and they therefore experience mutations in many different genes which means that they do not survive to reproduce.
• B)most mutations are lethal.
• C)new mutations all result in a lower reproductive fitness.
• D)populations are of a finite size and new mutations are frequently lost by genetic drift.

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Definitions:

Amylase Activity

Amylase activity refers to the enzymatic process by which amylase, a digestive enzyme, breaks down starch into simpler sugars like maltose.

Simple Columnar Cells

A single layer of tall and closely packed cells, found in the lining of the stomach and intestines, that secretes digestive enzymes or absorbs nutrients.

Lacteals

Lacteals are small lymphatic vessels located in the villi of the small intestine, responsible for absorbing and transporting fats and fat-soluble nutrients from the digestive system into the bloodstream.

Amylase

An enzyme, found chiefly in saliva and pancreatic fluid, that converts starch and glycogen into simple sugars.