MCQ
Identify the correct statement :
(i) Henking could trace a specific nuclear structure all through spermatogenesis in a few insect and named it a X - body
(ii) In XX + XY type of sex determination both males and females have usually unequal number of chromosomes.
(iii) Grasshopper is an example of XO - XX type of sex determination.
(iv) In XO and XY type of mechanism male heterogamety is observed.
(v) Sex chromosome of a female bird is designated to be Z and W chromosomes.
(i) Henking could trace a specific nuclear structure all through spermatogenesis in a few insect and named it a X - body
(ii) In XX + XY type of sex determination both males and females have usually unequal number of chromosomes.
(iii) Grasshopper is an example of XO - XX type of sex determination.
(iv) In XO and XY type of mechanism male heterogamety is observed.
(v) Sex chromosome of a female bird is designated to be Z and W chromosomes.
- A(i), (ii), (iii)
- B(i), (iv), (v) only
- ✓(i), (iii), (iv), (v)
- DAll are correct