A woman with straight hair marries a man with heterozygous curly hair. The chance of their first child to have curly hair is _________.

One in four

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Full chance

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No chance

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One in two.

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Solution

The correct option is D One in two.

A woman with straight hair marries a man with heterozygous curly hair. The chance of first child to have curly hair is 50%, because gene for straight is dominant and present on X chromosome.
So, the correct option is ‘ one in two’.

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A woman with straight hair marries a man with heterozygous curly hair. The chance of their first child to have curly hair is _________.

The correct option is D One in two. A woman with straight hair marries a man with heterozygous curly hair. The chance of first child to have curly hair is 50%, because gene for straight is dominant and present on X chromosome. So, the correct option is ‘ one in two’.

The correct option is D One in two.

A woman with straight hair marries a man with heterozygous curly hair. The chance of first child to have curly hair is 50%, because gene for straight is dominant and present on X chromosome.
So, the correct option is ‘ one in two’.