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प्रश्न
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उत्तर
The sex of the zygote is determined by the sperm which fertilizes the ovum. If an X bearing sperm fuses with an ovum in man, the offspring would be female and if a Y chromosome bearing sperm fuses with an ovum the offspring will be a boy.
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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.
Which of the two, sperm or ovum, decides the sex of the child?
A new born child has an XY pair of chromosmes. Will it be a baby boy or a baby girl?
Which combination of genes in the zygote will produce children with blue eyes?
Name two animals which have nineteen pairs of chromosomes.
Choose the correct answer:
Chromosomes identical in male and female are called __________
Choose the correct answer:
A single recessive trait, able to express must be on _________
Which type of sex determination is observed in honey bee?
ZZ/ZW type of sex determination is seen in ______.
Select the statements that describe characteristics of genes
- genes are specific sequence of bases in a DNA molecule
- a gene does not code for proteins
- in individuals of a given species, a specific gene is located on a particular chromosome
- each chromosome has only one gene
