When considering complex traits in health and disease, which of the following statements is not correct?
A. Diabetes, high blood pressure, asthma,
epilepsy, schizophrenia, and clinical
depression are all complex traits.
B. Cystic fibrosis, sickle-cell anemia, and
phenylketonuria are simple Mendelian
disorders.
C. The majority of birth anomalies result only
from genetic risk factors.
D. Many genes that contribute to complex
traits are clustered on the same
chromosome.
E. Many genes that contribute to complex
traits arose through the process of duplication
of a single gene followed by divergence over
time, generating a family of genes near one
another with related functions.
C
You might also like to view...
One way to examine the assembly and organization of the actin cytoskeleton in animals is to examine
____.
a. animal cells in culture b. extracellular actin movement in bacterial pathogens c. intracellular actin movement in bacterial pathogens d. extracellular actin movement in viral pathogens e. intracellular actin movement in viral pathogens
What is the order of the salamanders?
a. Anura b. Salientia c. Urodela d. Apoda
Ancestors of ____ may have possessed mitochondria, which were lost or reduced during evolutionary history
a. Paramecium b. Laminaria
c. Amoeba d. Euglena e. Giardia
Which of the following is the best definition of sympatric speciation?
A. Species that evolve due to geographical distance B. Mechanical isolation acts to prevent speciation C. Breeding behavior that prevents the organisms from breeding due to differences in their breeding time D. Ecological isolation E. Divergence within a population leads to speciation in the absence of a physical barrier to gene flow.