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प्रश्न
Which of the following is an example of ZW – ZZ type of mechanism of sex determination?
पर्याय
Honeybee
Fish
Bird
Human being
उत्तर
Bird
APPEARS IN
संबंधित प्रश्न
How is the sex of the child determined in human beings?
Name the species used in sericulture. Name the stages in the life cycle of a silk moth in cyclic form.
Fill in the following blank with suitable word :
The...............chromosomes for a ............are XX whereas that for a ..............are XY.
Explain how, sex is determined in human babies.
The sex of a child is determined by which of the following?
(a) the length of the mother's pregnancy
(b) the length of time between ovulation and copulation
(c) the presence of and X chromosome in an ovum
(d) the presence of a Y chromosome in a sperm
Give Reason:
Why X-linked recessive diseases are more common among males than females.
ZZ / ZW type of sex determination is seen in ______.
In human males all the chromosomes are paired perfectly except one. This/these unpaired chromosomes is/are ______.
- large chromosome
- small chromosome
- Y-chromosome
- X-chromosome
The belief that the mother is completely responsible for the sex of the child is wrong because the child
