Advertisements
Advertisements
प्रश्न
Choose the correct answer:
A single recessive trait, able to express must be on _________
पर्याय
Y chromosome
X chromosomes in male
X chromosome in female
autosome
उत्तर
A single recessive trait, able to express must be on X chromosomes in male
APPEARS IN
संबंधित प्रश्न
Answer the following questions related to sex determination in human beings:
i. What is sex chromosome?
ii. How many pairs of chromosomes are present in human beings?
iii. How is the sex of the human offspring determined?
iv. Draw a diagram depicting sex determination in man.
"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.
Name the species used in sericulture. Name the stages in the life cycle of a silk moth in cyclic form.
In a human, how many chromosmes are present in a brain cell?
In a human, how many chromosmes are present in a fertilised egg?
The exchange of genetic material takes place in :
(a) vegetative reproduction
(b) asexual reproduction
(c) sexual reproduction
(d) budding
Choose the correct answer:
Males have more chances of suffering from sex-linked disease because of ___________
Answer the following question:
How is sex determined in human beings? Explain with the help of a diagram.
Explain the haplo-diploid method of sex determination in the honey bee.
Which of the following is an example of genetic variation?
