For this problem, you may want to create a
Punnett Square on a separate piece of paper.
Manuel has both cystic fibrosis, a recessive
disorder, and sickle cell anemia which is also a
recessive disorder. Manuel’s partner, Lucretia,
is normal for both conditions. What is the
probability that Manuel and Lucretia will have
a normal child without either of the conditions
Manuel has?
a. 0%
b. 25%
c. 75%
d. 100%
e. it is not possible to solve this problem with
the information provided
E
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Which of the following is true regarding bacterial genetics?
A. Bacteria are usually diploid organisms B. Bacteria primarily reproduce sexually C. The patterns of inheritance in bacteria are studied using different mechanisms than eukaryotes D. Bacteria generally have linear chromosomes
Herons and egrets are members of the:
a. gulls. b. tubenoses. c. shorebirds. d. pelicans. e. duck family.
The first energy shell of an atom has one orbital. Therefore, it can contain a maximum of electron(s).
A. one B. sixteen C. eight D. four E. two
Spiracles are located
a. at the insect body surface. b. all along the tracheal system. c. at the tissue end of a tracheal tube. d. at the cells in contact with the tracheal tubes. e. at the branch points along the tracheal system.