Question

Which of these refers to the stage of growth of the human embryo when most body parts can be identified ?
A)Zygote
B)Gametes
C)Foetus
D)Porturition​

Answer 1

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Foetus (Option C)

The stage of growth of the human embryo when most of the body parts can be identified is known as Foetus.

Explanation:-

• When the fusion of Male and female nuclei takes place, zygote is formed which divides slowly in the fallopian tube.
• The zygote is now called, embryo which gets implanted on the cushion of uterus. This is known as Implantation.
• The development of embryo takes place in the Mother's uterine wall and the stage when the body parts can be identified is known as Foetus.
• Parturition is not a stage, it is process through which developed baby is delivered out of the Mother's body.

Explore more:-

❍ Let's know more how zygote changes into embryo?

• The zygote fomed after fertilisation marks the beginning of a new individual.
• Super cell is term used for the rapid division of zygote. It moves down the oviduct and during this, it forms many protective layers around it.
• The division is mitotic division, where the zygote called cleavage forms 2,4,8,16 daughter cells called blastomeres.
• The embryo with 8 or 16 cells is known as morula. It continues to divide
• The blastomeres in blastocyst arrange in trophobalst and inner cell is known as inner cell mass.

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Answer 2

Answer:

⭐ Correct options ⭐

➡Foetus (Option C)

✏The stage of growth of the human embryo when most of the body parts can be identified is known as Foetus.

Explanation:

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