Cornelius and Janelle sought genetic counseling because of concern that they might have children with sickle-cell disease. The counselor determined they each have one recessive allele for sickle-cells and one dominant allele for healthy blood cells
The counselor would tell them that they have a
a. 100% chance of having a child with sickle-cell disease.
b. 25% chance of having a child with sickle-cell disease and a 50% chance of having a child with sickle-cell trait.
c. 25% chance of having a child with sickle-cell trait and a 50% chance of having a child with sickle-cell disease.
d. 75% chance of having a child with sickle-cell disease.
b
You might also like to view...
Learning to tie one's shoes is most likely acquired via the process of
a. operant conditioning. b. reflexive conditioning. c. spontaneous recovery. d. classical conditioning.
The process of answering questions about human behavior and mental processes through information observation and speculation is called ________ psychology.
A. pseudo B. armchair C. dialectic D. descriptive
How does a token become a conditioned reinforcer?
What will be an ideal response?
A ____ is a universal sign of happiness or friendliness
a. hand shake c. smile b. wave d. verbal greeting