Advertisements
Advertisements
Question
Distinguish between heterogametic and homogametic sex determination systems.
Advertisements
Solution
| 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. |
RELATED QUESTIONS
There are ................ pairs of chromosomes in the human being.
A normal cell of human body contains 23 pairs of chromosomes. The number of chromosomes in a sex cell (sperm or ovum) of a human being is most likely to be :
(a) 46
(b) 23
(c) 21
(d) 42
E is the gene for brown eye colour and an is the gene for blue eye colour. which gene is (1) recessive, and (2) dominant?
Why did T. H. Morgan select Drosophila melanogaster to study sex linked genes for his lab experiments ?
Explain the haplo-diploid method of sex determination in the honey bee.
Identify the organism in which ZZ-ZW type of sex determination is observed.
Number of autosomes present in liver cells of a human female is ______.
A zygote which has an X-chromosome inherited from the father will develop into a
A trait in an organism is influenced by
What is the probability of a girl or a boy being born into a family? Justify your answer.
