Multiple Choice
Twins are concordant for a trait when ____.
A) both twins share the trait with at least one parent
B) only identical twins have the trait
C) only fraternal twins have the trait
D) both twins have the trait
E) all of the twins' siblings have the trait
Correct Answer:

Verified
Correct Answer:
Verified
Q40: Single nucleotide polymorphisms (SNPs)are organized into blocks
Q41: Epigenetic modifications affect the nucleotide sequence of
Q42: During interaction between genes and environment,the phenotype
Q43: The hormone leptin is produced by _
Q44: Twin,adoption,and family studies show that obesity has
Q46: A measured heritability of 0.7 means that
Q47: The contributions of genes and environmental factors
Q48: Complex traits are usually quantified by _
Q49: The tall and short phenotypes in pea
Q50: Darker skin color is correlated with _.<br>A)