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प्रश्न
ZW-ZZ system of sex determination occurs in
पर्याय
Fishes
Reptiles
Birds
All of these
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उत्तर
All of these
संबंधित प्रश्न
"The sex of a newborn child is a matter of chance and none of the parents may be considered responsible for it". Draw a flow chart showing determination of sex of a newborn to justify this statement.
How is the sex of the child determined in human beings?
Why did T. H. Morgan select Drosophila melanogaster to study sex linked genes for his lab experiments ?
Define the following:
Sex-linked characters
How drones are produced in honey bees?
What is male heterogamety?
Match the items of Column I with Column II:
| Column I | Column II | ||
| i. | XX-XO method of Sex Determination | a. | Turner syndrome |
| ii. | XX-XY method of Sex Determination | b. | Female heterog ametic |
| iii. | karyotype-45 | c. | Grasshopper |
| iv. | ZW-ZZ method of Sex Determination | d. | Female homogametic |
A man with blood group A marries a woman having blood group O. What will be the blood group of the child?
Some dinosaurs had feathers although they could not fly but birds have feathers that help them to fly. In the context of evolution this means that
Structures present in a cell which is responsible for determination of the sex of a baby is ______.
