The empiric risk that the monozygotic twin of a person with cleft lip also has cleft lift is _____ times the risk to a member of the general population who has no relatives with cleft lip.
A) 4
B) 40
C) 100
D) 400
Correct Answer:
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Q16: For a multifactorial,polygenic trait,the characteristic shape of
Q17: The number of genes that affect skin,hair,and
Q18: Rasheed suffers terrible migraine headaches.They are likely
Q19: A continuously varying trait is
A)cystic fibrosis.
B)seed color
Q20: In a polygenic trait
A)within genes,all alleles affect
Q22: Heritability refers to
A)the genetic contribution to a
Q23: A major distinction of genome-wide association (GWA)studies,compared
Q24: An assumption of twin studies is that
A)twins
Q25: A brother and sister share _ percent
Q26: Heritability of a trait can change because
A)genes
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