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प्रश्न
With the help of a chart, explain the method of sex determination in honeybees.
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उत्तर
In the honeybee, the haplodiploid sex-determination system determines the sex of the offspring. In this system, sex is determined by the number of sets of chromosomes an individual receives. An offspring developed from fertilized egg develops as a female and unfertilized egg develops in males. A female offspring shows diploid (2n = 32) number of chromosomes. Males (drones) produced by means of parthenogenesis have haploid (n = 16) number of chromosomes
SEX DETERMINATION
APPEARS IN
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.
Which of the following is an example of ZW – ZZ type of mechanism of sex determination?
In a human, how many chromosmes are present in an egg which has just been produced by the ovary?
Which combination of genes in the zygote will produce children with brown eyes?
Give Reason:
Why X-linked recessive diseases are more common among males than females.
How is sex determined in human beings?
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
Which of the following decides the sex of the child?
The belief that the mother is completely responsible for the sex of the child is wrong because the child
Sex in honey bee is determined by ______.
