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Given below are diagrams shqwing different stages in the process of fertilization of an egg in the female reproductive tract:

(i) Use the alphabets given below each diagram to show the correct order in the process of fertilization. 

(ii) Where in the female reproductive system does this process normally take place ? 

(iii) What is the biological term for the product of fusion ? 

(iv) What is the chromosome number of (1) the egg (2) the fused product ? 

(v) Draw a neat labelled diagram of a mature human sperm.

1 Answer

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(i) Correct order in the process of fertilization is D —> B —> C —> A. 

(ii) In human fertilization takes place in fallopian tube. 

(iii) The biological term for the product of fusion is ‘Zygote’. 

(iv) The chromosome number of the egg is n and the chromosome number of the fused product is 2n.

(v)

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