Question
The diagram given below shows the events occurring in an ovary during in a human female.(a) Identify 'X'. Mention the time when the process occurs in a human female.(b) Identify 'Y'. When and how is it formed ?(c) Name the hormone produced by 'Z'.
Answer :
(a)
• Primary follicle
• During fetal stage
(b)
• Secondary Oocyte
• At follicular phase/ between 6-13 day of menstrual cycle
• Tertiary follicle grows in size and completes its first meiotic division and this unequal division results in a large haploid secondary Oocyte and a tiny first polar body.
(c) Progesterone
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