Question

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.

Answer 1

Total number of given students = 60

Tongue rolling is a dominant character in man. So, the number of students who can roll their tongue = 45

Number of students who cannot roll their tongue (recessive) = 15

Percentage of Students who can roll their tongue (dominant) is given as,

$\frac{45}{60}\times 100=75$%

Percentage of Students who cannot roll their tongue(recessive) is given as,

$\frac{15}{60}\times 100=25$%