Which amongst the following dominant character is found in human beings?

Brown hair

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Attached earlobe

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Ability to roll tongue

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Straight hair

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Solution

The correct option is C Ability to roll tongue

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Similar questions

Q. Which amongst the following dominant character is found in human beings?

Q. Mendel has observed tallness as a dominant character in the garden pea plant. Similarly, tongue rolling is a dominant character in man. In a group of 60 students, 45 can roll their tongue and 15 are non-rollers. In the above context, calculate the percentage of dominant and recessive characters.

In humans, the ability to roll the tongue is a dominant trait. The inability to roll the tongue is a recessive trait. If two individuals homozygous recessive for this trait have a child, what is the chance that the child will be able to roll his tongue?

Q. Some humans are able to roll their tongue, while others are not. Two parents (both tongue-rollers) have four children, all of whom are not tongue-rollers. Which of the following statements hold true regarding this?
(i) The allele for tongue-rolling is dominant
(ii) The probability that their next child will be a tongue-roller is 0.5.
(iii) The probability that their next child will not be a tongue-roller is 0.75.
(iv) Both parents have one allele for tongue-rolling and one allele for non-tongue-rolling.

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