结果1 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 ...
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.
Sperm are male gametes, reproductive cells that contain half a set of chromosomes that can be joined with a female gamete to form a zygote. If allowed to develop, the zygote will turn into an embryo and eventually will mature into a baby. Male gametes are found in semen, a fluid produced...
, also known as artificial insemination withdonor sperm(AID) is an assisted reproductive treatment indicated for couples with a severe male factor or for women who lack a male partner, whether they are single women or same sex female couples. In these cases, the seminal sample used to perform...
Sperm are male gametes, the reproductive cells that contain a half set of chromosomes. Physically, sperm are...
Spermatogenesis is the process of making sperm cells, or developing immature germ cells known as spermatogonia into mature sperm cells called spermatozoa. A sperm cell is the male reproductive cell that fertilizes the female egg in sexual reproduction. A male’s ability to reproduce depends on a ...
Reproductive cells, also known as gametes, are cells that contain only half the number of chromosomes as normal cells (somatic cells). This is to maintain the number of chromosomes constant in each generation. Reproductive cells are formed during meiosis, a type of cellular division that yields ...
Healthy sperm cells travel along the female reproductive tract on their way to fertilize the egg cell. Seminal fluid orsemenprovides the warm, moist environment which sperm cells require for survival and a medium through which they can move easily. It also protects the cells and helps to control...
Haploid: Haploid cells is consist of only one set of chromosomes (n). The most frequent sort of haploid cell is gametes, also known as sex cells...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough...
Can 2 sperm fertilize the same egg? Occasionally, two sperm are known to fertilize a single egg; this 'double fertilization' is thought to happen in about 1% of human conceptions. An embryo created this way doesn't usually survive, but a few cases are known to have made it — these chi...