A selective breeding program is trying to develop an agricultural plant with decreased stem length to aid in mechanical harvesting. the mean stem height of the population is 36 cm while the mean stem

A selective breeding program is trying to develop an agricultural plant with decreased stem length to aid in mechanical harvesting. the mean stem height of the population is 36 cm while the mean stem height of the parents is 30 cm and the mean stem height of the offspring is 33 cm. what is the realized heritability for stem height in this crop?

a. ½

b. 3

c. -3

d. 0.1