Researchers studying genetic determination of childhood asthma noted 65% concordance for monozygotic twin pairs in which at least one twin has asthma and 37% concordance for dizygotic twin pairs in which at least one twin has asthma.
a. Explain the meaning of 65% concordance for asthma in monozygotic twins.
b. Interpret the difference in concordance for asthma between monozygotic and dizygotic twins.
c. If genes do influence childhood asthma, how is that 35% of monozygotic twin pairs are discordant for asthma?

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The Answer of Researchers studying genetic determination of childhood asthma noted 65% concordance for monozygotic twin pairs in which at least one twin has asthma and 37% concordance for dizygotic twin pairs in which at least one twin has asthma.
a. Explain the meaning of 65% concordance for asthma in monozygotic twins.
b. Interpret the difference in concordance for asthma between monozygotic and dizygotic twins.
c. If genes do influence childhood asthma, how is that 35% of monozygotic twin pairs are discordant for asthma?

Researchers Studying Genetic Determination of Childhood Asthma Noted 65% Concordance