Biology Final Review #1.

What does biology mean?

• The study of the earth

• The study of life

• The study of rocks

• The study of biographies

All living things ______ to make more living things.

• adapt

• grow

• reproduce

• develop

A trait controlled by four alleles is said to have ______.

• autosomes

• hybridization

• homologous alleles

• multiple alleles

Which one of the following nucleotide pair bonds would be found in a DNA molecule?

• guanine-cytosine

• adenine-cytosine

• cytosine-uracil

• adenine-guanine

A couple has two children, both of whom are boys. What is the chance that the parents' next child will be a boy?

• 75%

• 0%

• 50%

• 25%

Crossing over results in a ________.

• genetic recombination

• female genotype

• phenotype replication

• male genotype

Waster moves into a cell placed in a(n) _______ solution.

• osmotic

• hypertonic

• isotonic

• hypotonic

In mink, brown fur color is dominant to silver-blue fur color. If a heterozygous brown mink is mated with a silver-blue mink, what percentage of the offspring would be expected to be silver-blue?

• 100%

• 25%

• 50%

• 0%

Messenger RNA is formed in the process of _______.

• replication

• transcription

• mutation

• translation

A DNA nucleotide may be made up of a phosphate group, along with _________.

• deoxyribose sugar and uracil

• deoxyribose sugar and thymine

• ribose sugar and adenine

• ribose sugar and cytosine