...Chloroplasts. These allow cells to perform photosynthesis.
Answer:
<h2>Gregor Mendel used "Cross Polination"of parents that have different traits to produce offsprings.</h2>
<span>Additional facts:
A test cross between an organism whose genotype for a certain trait is unknown and an organism that is homozygous recessive for that trait so the unknown genotype can be determined from that of the offspring.
Answer:
You'd use it when you wish to see if the one that you think is a homozygous dominant is a purebred, because if you did get a recessive offspring then it proves that the animal is a heterozygous and not a purebred.</span>
16:B
17:C
19:A
20:G
15:F
H13
14:E
18:D
I think