Which processes occur during meiosis and involve the movement of DNA from one homologous chromosome to another? What creates 4 haploid gamete cells from a diploid cell? What is the process of asexual reproductio
题目(a) What happens to a sperm and an egg during fertilisation? [1]The nucleus of a sperm fuses with the nucleus of an egg.___ 相关知识点: 试题来源: 解析 The nucleus of a sperm fuses with the nucleus of an egg. 反馈 收藏
In the process of fertilization, a single male gamete (sperm) fuses with a single female gamete (egg cell). In case two egg cells are present in the...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
Sperm is found in semen, a whitish fluid that comes out of thepenisduring ejaculation. One ejaculation can release up to 500 million sperm. If semen reaches the vagina, millions of sperm travel up through the cervix. If they meet an egg, sperm may fertilize it and cause pregnancy. However...
Identical twins.When a sperm fertilizes an egg, it becomes a single cell called azygote, which has 46 chromosomes that determine your baby’s sexand physical traits. When you have one zygote that splits into two during early pregnancy and grows into separate embryos, you’ll have identical ...
Spermatazoa are the male gamete,meaning they are the cells that fuse with the egg in fertilization giving rise to the embrion and future baby.
Birth control pills are also called oral contraceptives, or the pill. It is medicine that helps prevent pregnancy by stopping ovulation. Ovulation is when the ovaries make and release an egg cell each month. If this egg gets fertilized by sperm, pregnancy occurs. You will need to take the ...
Human embryonic stem cells (hESC) are cells that are created when a blastocyst is created after sperm enter the female egg. These stem cells are cells that haven’t been given a specific task yet, allowing scientists to extract them and use them for therapy. The cells, which are derived ...
While not everyone will experience it, this type of spotting can be a natural part of the implantation process. What causes implantation bleeding is the movement of the fertilized egg into the uterine lining. Some may wonder, "Do you always bleed during implantation?" The answer is no; not ...
doi:10.1111/j.1600-0897.2009.00758.xRichard BronsonBlackwell Publishing LtdBRONSON R (2009). What the sperm says and the egg hears - a tale of two proteins and more. Am J Reprod Immunol 62: 357-364.