Answer:
Explanation:
Pollen tubes are produced by the male gametophytes of seed plants. Pollen tubes act as conduits to transport the male gamete cells from the pollen grain—either from the stigma (in flowering plants) to the ovules at the base of the pistil or directly through ovule tissue in some gymnosperms.
The Use of nitrogen fertilizers near the lake is your answer.
Answer:
Allele. An allele is a viable DNA (deoxyribonucleic acid) coding that occupies a given locus (position) on a chromosome. ... An organism in which the two copies of the gene are identical — that is, have the same allele — is called homozygous for that gene.
Answer: The genes that can give you red-green color blindness are passed down on the X chromosome. Since it's passed down on the X chromosome, red-green color blindness is more common in men. This is because: Males have only 1 X chromosome, from their mother.
Explanation:
