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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
Explain sex determination in human beings.
Which of the following is an example of ZW – ZZ type of mechanism of sex determination?
If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human (i) sperm cell, and (ii) zygote?
The number of pair(s) of sex chromosomes in the zygote of humans is :
(a) one
(b) two
(c) three
(d) four
Define the following:
Sex-linked characters
Choose the correct answer:
A single recessive trait, able to express must be on _________
Brief about female heterogamety.
Sex is determined in human beings ______.
The belief that the mother is completely responsible for the sex of the child is wrong because the child
The chromosomal constitution of a human female can be written as ______
