Twins

Question 1

Monozygotic twins

Answer 1

identical twins (develop from one egg(zygote))

Question 2

Dizygotic twins

Answer 2

non-identical (develop from two diff eggs)

Question 3

Concordance

Answer 3

both twins have trait

Question 4

Discordance

Answer 4

one twin has trait + other does not

Question 5

How to determine genetic and non genetic portion of variability of trait

Answer 5

H=(Cmz-Cdz)/(100-Cdz)

0 - environment
1 - genotype