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A zygote which has an X-chromosome inher...

A zygote which has an X-chromosome inherited from the father will develop into a

A

boy

B

girl

C

X-chromosome does not determine the sex of a child

D

either boy

Text Solution

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The correct Answer is:
To solve the question about the zygote that inherits an X chromosome from the father, we can follow these steps: ### Step-by-Step Solution: 1. **Understand Chromosome Basics**: - In humans, there are 23 pairs of chromosomes, with the last pair being the sex chromosomes. Males have XY chromosomes, while females have XX chromosomes. 2. **Identify Parental Contributions**: - The mother can only contribute an X chromosome (since she has two X chromosomes). - The father can contribute either an X or a Y chromosome (since he has one X and one Y chromosome). 3. **Determine the Zygote's Composition**: - The question states that the zygote has an X chromosome inherited from the father. This means that the zygote has received an X chromosome from both parents. 4. **Analyze the Zygote's Outcome**: - If the zygote has an X chromosome from the mother (X) and an X chromosome from the father (X), the resulting combination is XX. - The XX combination indicates that the zygote will develop into a female. 5. **Conclude the Answer**: - Therefore, a zygote that has an X chromosome inherited from the father will develop into a girl child. ### Final Answer: The zygote will develop into a girl child.
To solve the question about the zygote that inherits an X chromosome from the father, we can follow these steps: ### Step-by-Step Solution: 1. **Understand Chromosome Basics**: - In humans, there are 23 pairs of chromosomes, with the last pair being the sex chromosomes. Males have XY chromosomes, while females have XX chromosomes. 2. **Identify Parental Contributions**: ...
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