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Q. No.Why is the father responsible for determining the sex of the child?
| 1. | Because the father's sperm determines the zygote's sex chromosome composition. |
| 2. | Because the father's genetic material activates sex-determining genes. |
| 3. | Because the mother always provides an X chromosome. |
| 4. | Because the father's phenotype influences the child's sex. |
Subtopic: Â Sex Determination |
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In honey bees, the sex of an individual is determined by the number of chromosome sets it possesses. Which of the following scenarios would most likely disrupt normal sex determination in a honey bee population?
| 1. | A mutation in the queen bee that causes her to lay diploid eggs that develop without fertilization. |
| 2. | Increased production of royal jelly, leading to the development of more queen bees. |
| 3. | A mutation in drone bees that allows them to produce sperm with a different chromosome count. |
| 4. | Introduction of a new species of bee that competes for the same food sources |
Subtopic: Â Sex Determination |
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From NCERT
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