Advertisements
Advertisements
प्रश्न
How is 'oogenesis' markedly different from 'spermatogenesis' with respect to the growth till puberty in the humans?
Advertisements
उत्तर
|
Spermatogenesis
|
Oogenesis
|
|
It is the process by which sperms are formed from the sperm mother cell in males
|
It is the process by which ovum is formed from the oogonia in females
|
|
After the second meiotic divisions in a single spermatogonium, 4 spermatids are obtained, which undergo maturation to form 4 sperm cells, or spermatozoa
|
After the second meiotic divisions in the single oogonium, only one ovum and three polar bodies are obtained.
|
|
Spermatogenesis occurs in males from puberty almost until death.
|
In females, oogenesis starts before birth and occurs until menopause.
|
APPEARS IN
संबंधित प्रश्न
Women are often blamed for producing female children. Consequently, they are ill-treated and ostracized. How will you address this issue scientifically if you were to conduct an awareness programme to highlight the values involved?
The following is the illustration of the sequence of ovarian events (a − i) in a human female
(i) Identify the figure that illustrates ovulation and mention the stage of oogenesis it represents.
(ii) Name the ovarian hormone and the pituitary hormone that have caused the above mentioned event.
(iii) Explain the changes that occur in the uterus simultaneously in anticipation.
(iv) Write the difference between ‘c’ and ‘h’.
(v) Draw a labeled sketch of the structure of a human ovum prior to fertilization.
What is oogenesis?
Describe the structure of the human ovum with a neat labelled diagram.
500 spermatozoa are formed from ____________ secondary spermatocytes.
It The cell division in secondary oocyte is suspended at ______.
How many sperms are formed from 4 primary spermatocytes?
The region of the root tip whose cells undergo rapid elongation and enlargement and are responsible for the growth of the root in length is called the:
Draw a neat and labelled diagram of spermatogenesis.
Meiotic division of the secondary oocyte completed ______.
