Sex Determination
Sex Determination: Overview
This topic covers concepts such as Sex Determination in Animals, Autosomes, XX-XY Type of Sex Determination, Sex Determination in Honey Bee, ZZ-Z0 Type of Sex Determination, Sex Chromosomes, XX-X0 Type of Sex Determination, etc.
Important Questions on Sex Determination
Which of the following organisms show heterogametic nature in one of their sex?
Non-disjunction results in the chromosomal aberration.
In moths, female is homogametic and male is heterogametic.
In grasshoppers, the male gametes contain two types of chromosomes.
The chromosomes responsible for the determination of sex in humans are ______.
Barr body is found in humans. It is associated with _____.
The chromosomes in human males and females are represented as _____ and _____.
Match the following
| List - I | List - II | ||
| a | Type | i | Drosophila |
| b | Type | ii | Grasshopper |
| c | Type | iii | Birds |
| d | Type | iv | Fumea |
When sex determination occurs after fertilization, it is called __________.
Human genetics at metaphase may be karyotyped.
Discuss the genic balance mechanism of sex determination with reference to Drosophila.
Write the number of chromosomes in female and male human.
Observe the given figure carefully.
Which among the following shows this type of sex determination?
