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प्रश्न
Which of the following is an example of ZW – ZZ type of mechanism of sex determination?
विकल्प
Honeybee
Fish
Bird
Human being
उत्तर
Bird
APPEARS IN
संबंधित प्रश्न
Answer the following questions related to sex determination in human beings:
i. What is sex chromosome?
ii. How many pairs of chromosomes are present in human beings?
iii. How is the sex of the human offspring determined?
iv. Draw a diagram depicting sex determination in man.
Explain the mechanism of sex determination in birds.
Write notes on sex determination in the unborn baby.
In a human, how many chromosmes are present in an egg which has just been produced by the ovary?
Choose the correct answer:
A single recessive trait, able to express must be on _________
Write the functional activity of the following structure:
Heterosomes
ZW-ZZ system of sex determination occurs in
What is haplodiploidy?
The number of pairs of sex chromosomes in the zygote of a human being is ______
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
