Definition noun A form of apomixis where the embryo arises from an unfertilized egg within a diploid embryo sac formed without completing meiosis. Supplement Apomixis in flowering plants exists in two forms: gametophytic apomixis adventitious embryony See also: asexual reproduction, meiosis..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..
Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..
The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..
Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..
Meiosis is a form of cell division that creates gametes. It is comprised of two divisions that in the end, the resulting..
