Mutation differs from other sources of genetic variation because it

A) always harms the phenotype.

B) is unpredictable.

C) only affects some populations.

D) introduces a change, rather than acting upon existing alleles.


D) introduces a change, rather than acting upon existing alleles.

Biology & Microbiology

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Functional traits can be shared between organisms with divergent SSU rRNA sequences because

A) functional traits may be lost by different lineages over time. B) functional traits may evolve independently in different lineages over time. C) horizontal gene transfer can result in the transfer of genes between divergent lineages. D) functional traits may evolve independently, be shared through horizontal gene transfer, or be lost in divergent lineages.

Biology & Microbiology

The two main types of eukaryotic microtubules are the ________ and ________ microtubules

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

What technique can be used to alter a specific gene in order to study its basic function?

What will be an ideal response?

Biology & Microbiology

Which of the following is not a feauture of memes:

A. death B. genetic recombination C. mutation D. asexual reproduction E. sexual reproduction

Biology & Microbiology