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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
How is the sex of the child determined in human beings?
What are the chromosomes XY and XX known as?
Fill in the following blank with suitable word :
The...............chromosomes for a ............are XX whereas that for a ..............are XY.
Choose the correct answer from the four options given below :
In a human male, a sperm will contain :
Short Answer Question.
“Father is responsible for determination of sex of child and not the mother”. Justify.
A zygote which has an X-chromosome inherited from the father will develop into a ______.
Also describe as to, who determines the sex of an unborn child? Mention whether temperature has a role in sex determination.
What is the probability of a girl or a boy being born into a family? Justify your answer.
In the ZW–ZZ sex determination system, which sex is heterogametic?
In the XX–XY sex determination system, if a female (XX) is fertilized by an X-bearing sperm, what is the resulting genotype of the offspring?
