A parent with a genotype of AA will produce gametes ____
a. with A
b. with Aa
c. with A or a
d. that are heterozygous
e. that are homozygous dominant
ANSWER: a
You might also like to view...
The human body has about 10 bacterial cells for every eukaryotic cell. Bacteria coat our skin, gut, and mouth. Also present are protists, Archaeans, and viruses. Collectively, these organisms are our microbiota
For most members of our microbiota, our body provides their environment (or space to live). They, in turn, have no effect on us. This is an example of _______________. A. mutualism B. an antagonistic relationship C. commensalism D. predation
You and your biology lab class take a field trip to a marine aquarium. Your guide is a marine biologist who studies squids. She explains to your class how squids are able to blend into their environment. She points out that squids have pouches of pigments embedded in their epithelium. The pouches are called
A. trochophores. B. spermatophores. C. lophophores. D. chromatophores. E. phytophores.
Which of the following cause arterioles to
widen and capillaries become more permeable?
a. prostaglandins b. histamines c. complement proteins d. histamines and complement proteins e. histamines and prostaglandins
You decide to go on vacation in the mountains, where you are staying in a cabin. Unfortunately, when you turn on the water in the cabin you smell hydrogen sulfide (H2S) gas. After some research, you find out that the H2S may be due to the presence of sulfur bacteria living in your pipes. What molecule do these bacteria use as an electron acceptor?
A. O2 B. H2O C. H2S D. SO42-