Multifactorial Traits

Human height is an example of a(n) ___________ trait

• autosomal 
• sex-linked
• epistatic
• polygenic

Tags

NGSS.HS-LS3-3

NGSS.HS-LS3-1

Which genotype would result in an individual with medium-colored skin?

• AabbCC
• AABBcc
• AaBbcc
• Aabbcc

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Heritability is a measurement that estimates the proportion of

• Genetic variation in a group that can be attributed to phenotype
• Phenotypic variation in an individual that can be attributed to genes
• Phenotypic variation in a group that can be attributed to genes
• None of these

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-2

Siblings share ______% of their genes while fraternal twins share ____% and identical twins share_______ % of their genes (on average).

• 50,50,50
• 50,100,100
• 100,100,100
• 50,50,100

Tags

NGSS.HS-LS3-3

NGSS.HS-LS3-1

In humans, obesity has a heritability of 0.75.  Expression of weight gain is

• Inherited from a parent 75% of the time
• Solely dependent on the inheritance of weight gain genes
• Strongly influenced by the environment
• Dependent on the inheritance of genes and the influence of the environment

Tags

NGSS.HS-LS3-3

NGSS.HS-LS3-2

Which of the following is not an example of a multifactorial trait?

• cystic fibrosis
• sleep disorders
• heart health
• intelligence

Tags

NGSS.HS-LS3-3

The most informative studies on how and to what degree heredity and the environment influence human traits have relied on data from

• adopted children
• monozygotic twins separated at birth
• dizygotic twins reared apart
• monozygotic twins and their biological parents

Tags

NGSS.HS-LS3-3

A trait more often present in both members of MZ twin pairs than in both DZ twin pairs has a

• significant environmental component
• significant inherited component
• significant random component
• no conclusions can be drawn in this case

Tags

NGSS.HS-LS3-3

The risk of recurrence of a trait based on known incidence in a population refers to

• the empiric risk
• the correlation coefficient 
• heritability
• concordance

Tags

NGSS.HS-LS3-3

Which of the following proteins affects body weight?

• Apolipoprotein
• Dopamine
• Leptin
• Angiotensinogen

Tags

NGSS.HS-LS1-3