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प्रश्न
ZZ / ZW type of sex determination is seen in ______.
पर्याय
Peacock
Cockroach
Platypus
Snails
उत्तर
ZZ / ZW type of sex determination is seen in peacock.
APPEARS IN
संबंधित प्रश्न
There are two sets of chromosomes in the zygote.
In which livings, female decides the sex? Give two examples.
A woman has only daughters. Analyse the situation genetically and provide a suitable explanation.
The belief that the mother is completely responsible for the sex of the child is wrong because the child
Structures present in a cell which is responsible for determination of the sex of a baby is
Also describe as to, who determines the sex of an unborn child? Mention whether temperature has a role in sex determination.
Which of the following group shows ZW-ZZ type of sex determination?
All human chromosomes ate not paired. Most human chromosomes have a maternal and a paternal copy, and we have 22 such pairs. But one pair called the sex chromosomes, is odd in not always being a perfect pair. Women have a perfect pair of sex chromosomes. But men have a mismatched pair in which one is normal sized while the other is a short one.
(a) In humans, how many chromosomes are present in a Zygote and in each gamete?
(b) A few reptiles rely entirely on environmental cues for sex determination. Comment.
(c) "The sex of a child is a matter of chance and none of the parents are considered to be responsible for it." Justify it through flow chart only.
OR
(c) Why do all the gametes formed in human females have an X chromosome?
What is sex determination? Explain the mechanism of sex determination in the case of birds.
