Question

Give two different between zygote and foetus.

Answer 1

Dear Student,

● Difference between zygote and foetus -

1. Zygote is unicellular structure while foetus is multicellular structure.
2. Zygote is pre-stage of embryo while foetus is post-stage of embryo.
3. Zygote further forms blastula while foetus further develops fetal organs.
4. Zygote is formed in fallopian tube while foetus is formed in uterus.
5. Zygote is formed by fertilization while foetus is formed post-fertilization.

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Answer 2

The two differences between zygote and foetus is that zygote results from the fusion of egg and sperm and is unicellular whereas foetus is the name of the multi-celled complex state that occurs after zygote and this almost resembles a human embryo.  

Explanation:  

• A zygote is the result of the fusion between the sperm and the egg. It is therefore unicellular and no division has occurred to make it to the next stage.
• The foetus is formed when the zygote undergoes a number of cell divisions and almost resembles a small human embryo. Secondly, the zygote originates from the fertilized egg and the foetus originates from the zygote.