Gametes such as sperm and egg cells have haploid numbers of chromosomes until the moment of fertilization.
Answer:
Zygote, the nucleus of male and female gametes join, mitosis
Explanation:
The human belongs to the animal kingdom which begins their life when the male and female gametes fuse through a process called Fertilization.
The process of fertilization involves the fusion of the nucleus or the genetic material of the male and female gametes. The process forms a diploid cellular structure called the zygote. After the formation of the zygote, the first cell division or mitosis produces the embryo which develops into an organism.
Answer:
One reason is that there was too much pressure in the bottom of the ocean, from all the water pressing together.
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Explanation:
Optical microscope.
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