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  • (a) Draw a diagram of adult human female reproductive system and label the different parts:     (i) parts of fallopian tube     (ii) layers of uterus wall (b) Explain the events during fertilization of

(a) Draw a diagram of adult human female reproductive system and label the different parts:

    (i) parts of fallopian tube

    (ii) layers of uterus wall

(b) Explain the events during fertilization of an ovum ih humans.

 

 

 

 

 
 
 
 
 

Answers (1)

(a)

 

(b) When a sperm comes in contact with zona pellucida of ovum this induces changes in the memberane that blocks entry of additional sperm, secretions of acrosome help sperm enter into the cytoplasm of ovum through zona pellucida and plasms membrane, this induces completion of meiotic division of secondary oocyte anf formation of of haploid ovum, haploid ovum, haploid nucleus of ovum fuses with sperm nucleus to form diploid zygote (fertilization occurs).

 

Posted by

Priyanka Kumari

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