Advertisements
Advertisements
प्रश्न
Name the two types of gametes produced by men.
उत्तर
Human male produces sperms which can be of two types:
One containing X chromosome and other containing the Y chromosome.
APPEARS IN
संबंधित प्रश्न
The number of pair(s) of sex chromosomes in the zygote of humans is :
(a) one
(b) two
(c) three
(d) four
What is heterogamety ? Explain the mechanism of sex determinatin in Drosophila.
Choose the correct answer:
Males have more chances of suffering from sex-linked disease because of ___________
Short Answer Question.
“Father is responsible for determination of sex of child and not the mother”. Justify.
What is parthenogenesis?
How drones are produced in honey bees?
Read the following statements and select the correct option.
i. If sperm containing Y chromosome fertilizes the ovum, then diploid zygote is formed that grows into a male child.
ii. If sperm containing X chromosome fertilizes ovum, then diploid zygote is formed, that grows into a female child.
Which of the following determines the sex of a child?
The two versions of a trait (character) which are brought in by the male and female gametes are situated on
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
