LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The frequency of an allele in a fly population changes from 89% to 20% after three generations. Which other events most likely occurred during the same time period?
A
An environmental change and a fly population increase
B
An environmental change and a fly population decrease
C
Interbreeding of flies with an invasive species and fly population speciation
D
Interbreeding of flies with an established local species and fly population speciation
Explanation: 

Detailed explanation-1: -M phase (mitosis) is usually followed by cytokinesis. S phase is the period during which DNA replication occurs.

Detailed explanation-2: -Aye-ayes can be found only on the island of Madagascar. These rare animals may not look like primates at first glance, but they are related to chimpanzees, apes, and humans. Aye-ayes are dark brown or black and are distinguished by a bushy tail that is larger than their body.

Detailed explanation-3: -Q. Which statement describes how a mutation would most likely affect a population? Genotypic variation will increase in the population.

There is 1 question to complete.