Question

Differentiate between zygote ans foetus

Answer 1

(i) It is a fertilized egg formed after the fusion of the sperm with the egg. (ii) The zygote divides several times to form an embryo. (ii) It is a stage of the embryo that shows all the main recognizable body parts of a mature organism.

Answer 2

ZYGOTE AND FOETUS

After fertilisation zygote is formed. The embryo moves down in the fallopian tube and gets embedded with wall of uterus. Then, embryo develops it's body parts such as hands, legs, eyes etc. This stage is identified as foetus.

ZYGOTE

• The fertilized egg is called Zygote.
• Zygote is single-celled.
• Zygote is found in uterus.
• Zygote has no developed body parts.
• Zygote is formed by fusion of male and gametes.

FOETUS

• Stage in which embryo has developed all body parts is called Foetus.
• Foetus us multi-cellular.
• Foetus is found in fallopian tube.
• Foetus has developed body parts.
• Foetus is formed when embryo embedded into walls of uterus for further development.