Question

9. The fertilized egg is called zygote. true or false
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Answer 1

Answer:

True

Explanation:

The given statement is true

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Answer 2

The statement is True.

EXPLANATION

• A zygote is the first diploid cell that is formed by the fusion of male and female gametes resulting in the formation of an embryo.
• The zygote stage development occurs in the first week of fertilization. The genome of the zygote is the combination of DNA in each gamete and contains all the genetic information required to form an individual.
• A zygote is a fertilized ovum. The germ cells undergo meiosis to reach a haploid state (n) as part of spermatogenesis and oogenesis. The sperm and the unfertilized ovum reinstates a chromosome set in zygote in a diploid state. After fusing with the sperm, the second stage of meiosis takes place for separation of chromatids.
• Post-fertilization, mitosis of the zygote is initiated which develops into a mature offspring exhibiting characteristics of its parent.
• In the course of the menstrual cycle, ovulation occurs through one of the ovaries after 14 days of the cycle after which the ovum proceeds towards the fallopian tube.
• Sperm enters through the cervix to reach the fallopian tube where fertilization is facilitated by the lining of the cells. These linings project tiny needle-like structures called the cilia, which propel the zygote to the uterus to form a blastocyst (ball of cells) where cells undergo divisions.

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