BIOLOGY SEMESTER 2 EXAM
QUESTIONS WITH COMPLETE
SOLUTIONS
Cells synthesize new molecules of proteins, allow the cells to complete reactions.
The process of synthesizing a protein involves — - ANSWER-transcribing DNA into
messenger RNA and translating messenger RNA into amino acids.
In which situation could a mutation be passed on to the offspring of an organism? -
ANSWER-A primary sex cell in a human forms a gamete that contains 24
chromosomes.
The gene for the production of human insulin is inserted into certain bacterial cells.
The offspring of these bacterial cells will most likely be able to — - ANSWER-
synthesize this hormone.
Ultraviolet radiation causes mutations in the DNA of skin cells that have been
overexposed to the Sun. Will such mutations to the DNA have any effect on future
offspring? - ANSWER-No, because the changes have no effect on the gametes of
the parents
In squirrels, the gene for gray fur (G) is dominant over the gene for black fur (g). If
50% of a large litter of squirrels are gray, the parental cross that produced this litter
was most likely — - ANSWER-Gg × gg.
In humans, the gene for polydactyly, having extra fingers or toes, is dominant over
the gene for having the normal number of digits. If parents who are both
homozygous dominant for polydactyly have four children, how many of these
children would most likely have extra fingers or toes? - ANSWER-4
In humans, freckles (F) on the skin are dominant to no freckles (f). If two parents are
heterozygous for the trait, which statement below best describes their chances of
having a child with no freckles? - ANSWER-Every time they reproduce, the parents
have one in four chance of having a child without freckles.
A particular variety of corn can produce yellow or white seeds. Yellow is dominant.
White is recessive.
If a particular ear of corn contains only white corn, it must be — - ANSWER-
homozygous for white color
Scientists hypothesize that broccoli and radishes originated from a common
ancestor. Which of the following would best support this hypothesis? - ANSWER-The
plants contain similar proteins.
The information specifying the traits of an organism is present in units of chemical
substances in the center of a DNA molecule. The backbone that supports these
QUESTIONS WITH COMPLETE
SOLUTIONS
Cells synthesize new molecules of proteins, allow the cells to complete reactions.
The process of synthesizing a protein involves — - ANSWER-transcribing DNA into
messenger RNA and translating messenger RNA into amino acids.
In which situation could a mutation be passed on to the offspring of an organism? -
ANSWER-A primary sex cell in a human forms a gamete that contains 24
chromosomes.
The gene for the production of human insulin is inserted into certain bacterial cells.
The offspring of these bacterial cells will most likely be able to — - ANSWER-
synthesize this hormone.
Ultraviolet radiation causes mutations in the DNA of skin cells that have been
overexposed to the Sun. Will such mutations to the DNA have any effect on future
offspring? - ANSWER-No, because the changes have no effect on the gametes of
the parents
In squirrels, the gene for gray fur (G) is dominant over the gene for black fur (g). If
50% of a large litter of squirrels are gray, the parental cross that produced this litter
was most likely — - ANSWER-Gg × gg.
In humans, the gene for polydactyly, having extra fingers or toes, is dominant over
the gene for having the normal number of digits. If parents who are both
homozygous dominant for polydactyly have four children, how many of these
children would most likely have extra fingers or toes? - ANSWER-4
In humans, freckles (F) on the skin are dominant to no freckles (f). If two parents are
heterozygous for the trait, which statement below best describes their chances of
having a child with no freckles? - ANSWER-Every time they reproduce, the parents
have one in four chance of having a child without freckles.
A particular variety of corn can produce yellow or white seeds. Yellow is dominant.
White is recessive.
If a particular ear of corn contains only white corn, it must be — - ANSWER-
homozygous for white color
Scientists hypothesize that broccoli and radishes originated from a common
ancestor. Which of the following would best support this hypothesis? - ANSWER-The
plants contain similar proteins.
The information specifying the traits of an organism is present in units of chemical
substances in the center of a DNA molecule. The backbone that supports these
