AP BIOLOGY

HEREDITY

MUTATIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which mutation would be beneficial?
A
A white colored moth.
B
A green colored moth.
C
A black colored moth.
D
It depends on which is best suited to survive in the environment.
Explanation: 

Detailed explanation-1: -They are calledbeneficial mutations. They lead to new versions of proteins that help organisms adapt to changes in their environment.

Detailed explanation-2: -Examples of beneficial mutations in humans include: Mutations protecting humans from developing atherosclerosis (a dangerous build-up of fatty material in the blood vessels) Mutations in red blood cell genes have shown to provide up to 40% better protection against a severe form of malaria.

Detailed explanation-3: -Conditional mutation is a mutation that has wild-type (or less severe) phenotype under certain “permissive” environmental conditions and a mutant phenotype under certain “restrictive” conditions.

Detailed explanation-4: -Some mutations-known as beneficial mutations-have a positive effect on the organism in which they occur. They generally code for new versions of proteins that help organisms adapt to their environment.

There is 1 question to complete.