Which of the following is a correct statement? select one:
a. if you want to make a cdna library, it doesn't matter which tissue you isolate the mrna from.
b. if you want to make a genomic library, it doesn't matter which tissue you isolate the dna from.
c. if you want to make a cdna library, it doesn't matter which tissue you isolate the dna from.
d. if you want to make a genomic library, it doesn't matter which tissue you isolate the mrna from.

Examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. polyploidy is creating new species. the two populations are not interbreeding freely. hybrid offspring of the two populations begin to appear. one species will increase into a population size twice as large as the other species.

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Which statement best compares aerobic and anaerobic respiration