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प्रश्न
Distinguish between heterogametic and homogametic sex determination systems.
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उत्तर
| Heterogametic Sex | Homogametic Sex |
|
1. Organisms producing two different types of gametes. |
1. Organisms producing only one type of gametes. |
|
2. Example: Human male. |
2. Example: Human female. |
संबंधित प्रश्न
Name the species used in sericulture. Name the stages in the life cycle of a silk moth in cyclic form.
The human animal which has an XY pair of chromosomes is called :
(a) male
(b) hybrid
(c) female
(d) doomed
What is Lyonisation?
How many ovum are formed when a diploid cell undergoes meiosis, during oogenesis?
Read the following statements and select the correct option.
i. If sperm containing Y chromosome fertilizes the ovum, then diploid zygote is formed that grows into a male child.
ii. If sperm containing X chromosome fertilizes ovum, then diploid zygote is formed, that grows into a female child.
ZZ/ZW type of sex determination is seen in ______.
Grasshopper is an example of XO type of sex determination in which the males have ______.
A zygote which has an X-chromosome inherited from the father will develop into a ______.
Which of the following is an example of genetic variation?
Sex in honey bee is determined by ______.
