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प्रश्न
Which among the following has 23 chromosomes?
पर्याय
Secondary oocyte
Oogonia
Zygote
Spermatogonia
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उत्तर
Secondary oocyte
APPEARS IN
संबंधित प्रश्न
Ovulation is induced by a hormone called ______.
Describe the process of oogenesis in human female.
Sex organs produce gametes which are diploid.
Answer the following type of question Assertion (A) and Reason (R).
(A) - In human males, testes are extra-abdominal and lie in scrotal sacs.
(R) - Scrotum acts as a thermoregulator and keeps the temperature lower by 2°C for normal sperm production.
Complete the analogy.
1 primary spermatocyte : 4 spermatozoa :: 1 primary oocyte : ____________.
Extrusion of second polar body from egg nucleus occurs ______.
Sertoli cells are found in ______.
How many functional sperms and how many ova will be formed by a primary spermatocyte and a primary oocyte.
During embryonic development, the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is called ______.
In spermatogenesis, reduction division of chromosome occurs during conversion of ______.
The process of release of spermatozoa from Sertoli cells into cavity of the seminiferous tubules is called ______.
At what stage of life is oogenesis initiated in a human female?
Which of the following are called dual gland?
3-celled male gamete develops in:
If for a species 2n = 16, then during Ist prophase and IInd prophase of the meiotic division of a cell, how many tetrads and diads will be formed:
In spermatogenesis, at the end of the first meiotic division ______ are formed.
Draw a neat and labelled diagram of spermatogenesis.
Distinguish between human sperm and ovum.
During oogenesis the meiotic division is arrested at ______ before fertilization.
Which of the following phases are shared by both spermatogenesis and oogenesis?
