White is controlled by the dominant allele, the recessive allele is purple. Therefore white would show in the heterozygous flowers, and purple would not.
B is the answer. That is the brain
Answer: it grows a tube to travel down to the ovary
Explanation:
As a result of pollination, pollen grain lands on the sigma of the pistil or carpel. On the stigma pollen grain begins to germinate and grows a long pollen tube. The pollen tube grows longer and makes its way from the stigma, down the style and reaches to the ovary. Pollen tube carries two male gametes or sex cells. One male gamete fertilize the egg cell to produce zygote and the gamete fuses with polar nuclei to form primary endosperm cell.
Uterus suffer severe cramp during menstrual cycle of some women.IT is associated with pain.some women suffer severely enough to an extent they are unable to do daily activities.Growth in the womb such as fibroids can also be the source of pain
