Cystic fibrosis is caused by the allele f, which is completely recessive to the normal dominant allele f. consider a couple who both have the genotype ff. their first child did not get cystic fibrosis. what is the chance that their second child will develop cystic fibrosis?

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

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.

Twind is considered to be an abiotic factor because it.?