Which of the following best describes polygenetic inheritance?
a. An individual receives multiple alleles from more than two parents.
b. Characteristics resulting from polygenetic inheritance exhibit a wide variation in genotypic expression.
c. Characteristics resulting from polygenetic inheritance exhibit a wide variation in phenotypic expression.
d. Characteristics most commonly result in mutation.
Question 2
The use of tree rings to assign chronometric dates is called:
a. palynology.
b. potassium argon.
c. dendrochronology.
d. stratigraphy.
e. matrix analysis.
Maternal inheritance in the four-o'clock plant.
Acromegaly in one individual from a pair of identical twins.
Inheritance of the sickle cell trait and sickle cell anemia.
Achondroplasia. The individual in this photograph has the reduced limb development that typifies thi
X-Linked Inheritance in Hemophilia
Brain metabolism in a schizophrenic individual (left) and a normal individual (right). These scans o