How can natural selection lead to gene loss of a duplication?

What will be an ideal response?


ANS:
If the duplicate gene imposes a cost on the organism, then natural selection will favor individuals that do not have the gene.

Biology & Microbiology

You might also like to view...

Which of the following is a waste product of photosynthesis?

a. carbon dioxide b. oxygen c. sugar d. water

Biology & Microbiology

The centrosome is a specialized region of the kinetochore.

a. true b. false

Biology & Microbiology

Isolating mechanisms leading to speciation have been documented by ________

A) geographic isolation B) polyploidy C) temporal isolation D) a mutation in a single gene E) All of the above.

Biology & Microbiology

An agent that can cause birth defects is known as a(n) ____

a. teratogen b. mutagen c. carcinogen d. hapten e. allergen

Biology & Microbiology