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प्रश्न
How is 'oogenesis' markedly different from 'spermatogenesis' with respect to the growth till puberty in the humans?
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उत्तर
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Spermatogenesis
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Oogenesis
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It is the process by which sperms are formed from the sperm mother cell in males
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It is the process by which ovum is formed from the oogonia in females
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After the second meiotic divisions in a single spermatogonium, 4 spermatids are obtained, which undergo maturation to form 4 sperm cells, or spermatozoa
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After the second meiotic divisions in the single oogonium, only one ovum and three polar bodies are obtained.
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Spermatogenesis occurs in males from puberty almost until death.
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In females, oogenesis starts before birth and occurs until menopause.
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APPEARS IN
संबंधित प्रश्न
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.
Name the hormones involved in regulation of spermatogenesis.
Explain the structure of secondary oocyte.
Describe the process of oogenesis in human female.
Explain two main process in sexual reproduction.
Mammalian egg is ____________.
Identify the proper order of spermatogenesis and choose the correct option.
How many autosomes does a human primary spermatocyte have?
In the process of fertilization, this is true:
Capacitation refers to changes in the ______.
