Fertilization resulting in the formation of a zygote or embryo; technically, the pollen grain does not join with the ovule. A pollen tube grows from the pollen grain - this contains the gamete which fuses with the ovule.
Meiosis results in four sperm cells because the male gamete divides equally during cell division. In contrast, in females, one round of cell division during meiosis produces one egg cell and three polar bodies that do not participate in fertilization. This difference is due to the need to conserve resources and energy in females to support the developing embryo.
No, cells must divide in order to reproduce. During cell division, one cell divides into two daughter cells with identical genetic information. This is a fundamental process for growth, repair, and development in multicellular organisms.
no
ovam and sperm
tubectomy is a surgical method to prevent pregnancy, in which fallopian tube in female is cut that prevent meeting of ovam with the sperm
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naturally crossing over is the one responsible for genetic variability . It means combining one gen to another . It actually happens when one sperm enterd in ovam . Onthe other hand genetic engeniers are doing their bit too to creat muted gen and so on .
Meiosis results in four sperm cells because the male gamete divides equally during cell division. In contrast, in females, one round of cell division during meiosis produces one egg cell and three polar bodies that do not participate in fertilization. This difference is due to the need to conserve resources and energy in females to support the developing embryo.
No, cells must divide in order to reproduce. During cell division, one cell divides into two daughter cells with identical genetic information. This is a fundamental process for growth, repair, and development in multicellular organisms.
Heredity is the inborn factors which affect development. The mechanism of heredity is DNA. DNA is partially made up of pairs of "steps" called bases. Bases make up our genetic code. Chromosomes are coils of DNA, which are made up of small segments called genes.
He is a drunk. A royal moroi drunk. Who eventually is romantically involved with Rose, but in the last book she breaks his heart and goes back with Dimitri. :(. Sad but good at the same time. I think that Adrian is the best character. badboy, but hes gotta good heart. complex and intrigueing