% of your cells contain mom and dad’s DNA.

Which of the following sex and generation combinations directly produces the pollen tube of angiosperms? a) male gametophyteb) female gametophytec) male sporophyted) female sporophyte

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different