Right handedness (R) is domainant over lefthandedness (r). Determine the probability of producing a child with right-handedness from a cross between two heterozygous parents.

a time line cause it goes from 685 to 978

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

b a mature ovary of a plant.

well the answer is 2!