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प्रश्न
XO type of sex determination and XY type of sex determination are examples of ____________.
विकल्प
Male heterogamety
Female heterogamety
Male homogamety
Both Female heterogamety and Male homogamety
उत्तर
XO type of sex determination and XY type of sex determination are examples of Male heterogamety.
संबंधित प्रश्न
If X chromosome is inherited from mother and Y from father, the offspring will be male.
How is the sex of the child determined in human beings?
There are ................ pairs of chromosomes in the human being.
A normal cell of human body contains 23 pairs of chromosomes. The number of chromosomes in a sex cell (sperm or ovum) of a human being is most likely to be :
(a) 46
(b) 23
(c) 21
(d) 42
The number of pair(s) of sex chromosomes in the zygote of humans is :
(a) one
(b) two
(c) three
(d) four
A zygote which has inherited an X chromosome from the father will develop into :
(a) baby boy
(b) baby girl
(c) adult
(d) either boy or girl
A couple with a newborn baby is troubled that the child does not resemble either of them. Suspecting that a mixup occurred at the hospital, they check the blood type of the infant. It is type O. Because the father is type A and the mother type B, they conclude that a mixup has definitely occurred. Are they correct? Give reason for your answer.
Does the sex of the child depend on the father or it is just a matter of chance? Discuss.
Define the following:
Sex-linked characters
Drone of the honeybees shows haploid number of chromosomes. Illustrate.
Complete the following sentence with appropriate word:
______are the alternative forms of a gene producing different effects.
What is parthenogenesis?
Explain the mechanism of sex determination in humans with a suitable chart.
Explain the mode of sex determination in honeybees.
Diploid larvae which get royal jelly as food develops into ____________ and other develops into workers (sterile females).
ZZ / ZW type of sex determination is seen in ______.
Which of the following decides the sex of the child?
Which of the following is an example of genetic variation?
Also describe as to, who determines the sex of an unborn child? Mention whether temperature has a role in sex determination.
Does a male child inherit X chromosome from his father? Justify.
