If two twins in a set are different, they are called fraternal twins. If two twins in a
set resemble each other very closely, they are called identical twins and have the same
In this imaginary situation, 75% of the children will have antennae.
In this imaginary situation, 9/16 will have both antennae and four upper
members, 3/16 will have antennae and two upper members, and 3/16 will have four
In complementary inheritance, two independent pairs of genes affect a trait.
In multifactorial inheritance, a number of gene pairs affect a trait. (para 14-9c)
End of Lesson 14