What happens during cell fertilization?
Fertilization happens when a sperm cell successfully meets an egg cell in the fallopian tube. Once fertilization takes place, this newly fertilized cell is called a zygote. From here, the zygote will move down the fallopian tube and into the uterus. The zygote then burrows into the uterus lining.
What happens to a fertilized cell during the cell cycle?
The fertilization brings together 23 chromosomes from the male and 23 chromosomes from the female, resulting in the formation of a fertilized egg cell with 46 chromosomes. The fertilized cell is a zygote. The zygote undergoes mitosis to form two identical cells that remain attached.
What are the 5 stages of a cell’s life cycle?
The phases in the reproduction and growth of a cell is known as the cell cycle. The five stages of cell cycle are – interphase, which is in turn classified into G1, S and G2 phase, Mitosis, also called as the M phase, which is further divided into 4 parts (prophase, metaphase, anaphase and telophase) and Cytokinesis.
What happens during conception and implantation?
During fertilization, the sperm and egg unite in one of the fallopian tubes to form a zygote. Then the zygote travels down the fallopian tube, where it becomes a morula. Once it reaches the uterus, the morula becomes a blastocyst. The blastocyst then burrows into the uterine lining — a process called implantation.
Which is a description of the process of fertilization?
Fertilization Definition. Fertilization is the process by which male and female gametes are fused together, initiating the development of a new organism. The male gamete or ’sperm’, and the female gamete, ’egg’ or ’ovum’ are specialized sex cells, which fuse together to begin the formation of a zygote during a process called sexual reproduction.
How does fertilization occur in an early zygote?
Early Human Zygote. Fertilization is the fusion of haploid gametes, egg and sperm, to form the diploid zygote. Note though there can be subtle differences in the fertilization process which occurs naturally within the body or through reproductive technologies outside the body, the overall product in both cases is a diplod zygote.
What happens to the second sperm cell during fertilization?
The nucleus of the second sperm cell fuses with two haploid nuclei contained within a second female gamete called the central cell. This second fertilization forms a triploid cell, which subsequently swells and develops a fruiting body.
How are meiosis and fertilization related to life cycle?
Meiosis reduces the number of chromosomes from 2 sets to 1 set. Fertilization doubles the number of chromosomes from 1 set to 2 sets. Alternation of meiosis and fertilization makes possible the development of life cycles that alternate between haploid and diploid stages.