How many variables should be manipulated in a correctly performed scientific experiment

What type of genetic drift would be simulated if all the beans that were not selected died out?

Matched chromosomes carrying information about the same characteristics in the organism are called

Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called