Please help with biology questions?

1) The ultimate source of all variation is ______.


A) mutation


B) sexual recombination


C) sexual reproduction


D) genetic drift


E) natural selection





2) Which of the following is likely to be the result of polygenic inheritance?


A) ABO blood type


B) skin color


C) an extra finger


D) freckles


E) hemophilia (an X-linked recessive trait)





3) Which of the following is a population?


A) the termites infesting your house


B) the termites infesting your house along with the microorganisms living in their guts


C) all of the termites currently alive


D) all organisms living in your house


E) all of the termites that have ever lived

Please help with biology questions?
1) C sexual reproduction (increases genetic diversity)


2) B skin color (genes seen on surface, i.e. height, weight, color, etc)


3) i would go with C (population can refer to many things one of them being to describe all the organisms of that species on Earth)
Reply:number 2 is B

survey monkey