For a particular character, natural selection can favor an average phenotype or extreme phenotypes. In order to do this, a character must be:

A) controlled by a dominant allele for a gene. B) under the control of many genes.
C) under the control of only two alleles for a gene. D) not under the control of any genes.


Answer: B

Biology & Microbiology

You might also like to view...

________-driven promoters do not contain TATA boxes or BREs.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

The molecular mass of C6H12O6 is 180 amu. How much mass does 0.25 moles of this substance contain?

a. 1.8 g b. 45 g c. 180 g d. 45 daltons e. 180 daltons

Biology & Microbiology

You go the store to buy some lard for cooking. You notice when you get home that the lard is solid at room temperature. What does this tell you about the fat in lard, and how does this explain it being solid at room temperature? What type of fat would

not be solid at room temperature, and why? What will be an ideal response?

Biology & Microbiology

If a disease is caused by a dominant allele, it means that a person with the disease:

A) will always pass it on to all their children. B) will pass it on to one-fourth of their children. C) could be either homozygous or heterozygous for the allele. D) must be homozygous dominant for the allele. E) must be heterozygous for the allele.

Biology & Microbiology