一道英文生物选择题,关于进化和物种多样性,在线等,急!The process that creates most of the observedgenetic variation in a population is ____________while ______________ is/are the original sourceof the genetic variation.A. Natural

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一道英文生物选择题,关于进化和物种多样性,在线等,急!The process that creates most of the observedgenetic variation in a population is ____________while ______________ is/are the original sourceof the genetic variation.A. Natural

一道英文生物选择题,关于进化和物种多样性,在线等,急!The process that creates most of the observedgenetic variation in a population is ____________while ______________ is/are the original sourceof the genetic variation.A. Natural
一道英文生物选择题,关于进化和物种多样性,在线等,急!
The process that creates most of the observed
genetic variation in a population is ____________
while ______________ is/are the original source
of the genetic variation.
A. Natural selection, mutations
B. Natural selection, sexual reproduction
C. Sexual reproduction, mutations
D. Mutations, sexual reproduction
E. Sexual reproduction, natural selection
翻译 在种群中产生最明显的遗传变异的过程是________,然而遗传变异的最初原因是____________
A 自然选择,基因突变
B 自然选择,性繁殖
C性繁殖, 基因突变
D基因突变, 性繁殖
E 性繁殖,自然选择

一道英文生物选择题,关于进化和物种多样性,在线等,急!The process that creates most of the observedgenetic variation in a population is ____________while ______________ is/are the original sourceof the genetic variation.A. Natural
C

生物的进化过程大多是靠大量的(有性繁殖),同时(自然选择)是遗传变异的主要根源。
A:自然选择,突变
B.自然选择,有性繁殖
C.性繁殖,基因突变
D.突变,有性繁殖
E:有性繁殖,自然选择

选C

A D B C E F

A. Natural selection, mutations
在种群中形成明显的遗传变异的过程主要是因为________,而遗传变异的根本的原因是____________

A比较确定