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What type of fertilization and development occur in the zebrafish?
Zebrafish exhibit external fertilization, where the female releases eggs and the male fertilizes them outside of the body. The embryos develop externally, with the early stages of development taking place outside of the mother's body in the water.
Give the stages in the process of fertilization in mammals?
Fertilization in mammals involves several stages: 1) Sperm migration through the female reproductive tract to reach the egg, 2) Penetration of the egg's protective barrier by the sperm, 3) Fusion of the sperm and egg nuclei to form a zygote, and 4) Initiation of embryonic development.
What stages will you go threw 3 days after sex if the sperm and egg meets?
After fertilization, the embryo undergoes several stages: cleavage (cell division), morula (solid ball of cells), blastocyst (hollow structure), and implantation (attachment to the uterine wall). This process takes about 5-7 days after fertilization before the embryo implants in the uterus.
What is a developing human known as during the first eight weeks after fertilization?
A developing human during the first eight weeks after fertilization is known as an embryo.
What are the developmental stages that a human undergoes between fertilization and birth?
The developmental stages a human undergoes between fertilization and birth include: zygote, blastocyst, embryo, and fetus. During these stages, the fertilized egg undergoes cell division, implantation into the uterus, organ formation, and growth. By the end of the fetal stage, the developing human is ready for birth.
