Everyday Science · Cell Biology & Microorganisms · page 26 of 36
DNA, Genes & Genetics MCQs with Answers
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- 251.
Sympatric speciation can occur if gene flow is reduced by ?
- 252.
The largest unit within which gene flow can readily occur is a ?
- 253.
When prezygotic barriers do not exist and hybrid zygote fail to develop, the condition is _?
- 254.
Sudden change in population that drastically reduces its size is ?
- 255.
Which of the various species concepts distinguishes two species based on the degree of genetic exchange between their gene pools?
- 256.
Which among the following is the mechanism of evolution according to the modern evolutionary thought?
- 257.
Which is the fundamental unit of biodiversity without which no evolutionary change occurs?
- 258.
The inferior hybrid genotypes present in a population decreases _?
- 259.
Which of these is the smallest unit that natural selection can change?
- 260.
What is the smallest unit that can evolve?