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प्रश्न
Complete the following sentence with appropriate word:
______are the alternative forms of a gene producing different effects.
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उत्तर
Alleles are the alternative forms of a gene producing different effects.
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संबंधित प्रश्न
How is the sex of the child determined in human beings?
In a human, how many chromosmes are present in a fertilised egg?
Define the following:
Sex-linked characters
Explain the mechanism of sex determination in humans with a suitable chart.
There are five daughters and no son in a family. It is because
Match the items of Column I with Column II:
| Column I | Column II | ||
| i. | XX-XO method of Sex Determination | a. | Turner syndrome |
| ii. | XX-XY method of Sex Determination | b. | Female heterog ametic |
| iii. | karyotype-45 | c. | Grasshopper |
| iv. | ZW-ZZ method of Sex Determination | d. | Female homogametic |
A zygote which has an X-chromosome inherited from the father will develop into a ______.
The maleness of a child is determined by ______
Fill the blank circles in figure and identify the sex of child A and B.
A zygote which has Y chromosome inherited from the father will develop into a ______.
