Which of the following scenarios will decrease the genetic variation of a population? (1 point) O a mutation in a chromosome makes it more likely to undergo genetic recombination
O a population of birds suddenly decrease their frequency of sexual reproduction
O an individual works out, increasing their muscle mass
O a mutation alters the sequence of a gene resulting in a new allele

Robert wants to know which fertilizer will work the best for his grass. what can he do to explore this inquiry?

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.