FAU BSC 1005 EXAM 2 questions with verified answers
.... Ans✓✓✓ ....
'if you have a genetic predisposition to a disease, such as cancer, you
will eventually get it'. Is that a true statement? Ans✓✓✓ it is not
necessarily true; it may be dependent on the environment
a blood stain collected at a crime scene is believed to belong to a
suspect. What would NOT be a problem in using DNA from that sample
to conclusively identify the suspect? Ans✓✓✓ the DNA is in good
condition, but the amount is small
a boy's Y chromosome will generally NOT be identical to that of his
Ans✓✓✓ great-grandfather on mother's side of family
A human female has how many pairs of homologous chromosomes?
Ans✓✓✓ 23
A human male has how many pairs of homologous chromosomes?
Ans✓✓✓ 22
a karyotype from a person with Down syndrome would show Ans✓✓✓
three copies of chromosome 21
,a man with curly hair has three children with a woman who has straight
hair. What type of hair will their children have? Ans✓✓✓ 100% will
have wavy hair
a mutation in a DNA coding region of a protein can cause Ans✓✓✓ -
different amino acid at that position
-altered bonding between amino acids in the protein
-a change in the 3D shape of the protein
-no change in protein functionality
a mutation in the gene for insulin results in a protein with a drastically
distorted three-dimensional shape. What is the most likely outcome?
Ans✓✓✓ the insulin protein will not function properly
a mutation is best described as an error in Ans✓✓✓ DNA
a patient with an AB blood type can receive a transfusion from a donor
with blood type ____ only. Ans✓✓✓ AB, A,B, or O
a patient with an O blood type can receive a transfusion from a donor
with blood type ____ only. Ans✓✓✓ O
a pedigree chart reveals the presence of a disease trait in both a boy
and his mother's father. This pattern would suggest Ans✓✓✓ X-linked
inheritance
, a phenotype is Ans✓✓✓ a physical trait
a woman with normal BRCA alleles has a child with a man who has one
mutated BRCAI allele. what is the probability that the child will have a
mutated BRCAI allele? Ans✓✓✓ 50%
ABO blood type inheritance is an example of Ans✓✓✓ codominance
All of the following are advantages of producing human drugs in
animals EXCEPT Ans✓✓✓ drugs produced in animals are less likely to
degrade over time
all of the following are true of recessive alleles, EXCEPT Ans✓✓✓ They
are never transcribed and therefore never produce protein
alleles are alternate versions of ______ gene(s) that have _____
nucleotide sequences Ans✓✓✓ the same; small differences in their
alleles are located Ans✓✓✓ at a specific position on each of a fair of
chromosomes
An example of a nucleic acid is Ans✓✓✓ DNA
.... Ans✓✓✓ ....
'if you have a genetic predisposition to a disease, such as cancer, you
will eventually get it'. Is that a true statement? Ans✓✓✓ it is not
necessarily true; it may be dependent on the environment
a blood stain collected at a crime scene is believed to belong to a
suspect. What would NOT be a problem in using DNA from that sample
to conclusively identify the suspect? Ans✓✓✓ the DNA is in good
condition, but the amount is small
a boy's Y chromosome will generally NOT be identical to that of his
Ans✓✓✓ great-grandfather on mother's side of family
A human female has how many pairs of homologous chromosomes?
Ans✓✓✓ 23
A human male has how many pairs of homologous chromosomes?
Ans✓✓✓ 22
a karyotype from a person with Down syndrome would show Ans✓✓✓
three copies of chromosome 21
,a man with curly hair has three children with a woman who has straight
hair. What type of hair will their children have? Ans✓✓✓ 100% will
have wavy hair
a mutation in a DNA coding region of a protein can cause Ans✓✓✓ -
different amino acid at that position
-altered bonding between amino acids in the protein
-a change in the 3D shape of the protein
-no change in protein functionality
a mutation in the gene for insulin results in a protein with a drastically
distorted three-dimensional shape. What is the most likely outcome?
Ans✓✓✓ the insulin protein will not function properly
a mutation is best described as an error in Ans✓✓✓ DNA
a patient with an AB blood type can receive a transfusion from a donor
with blood type ____ only. Ans✓✓✓ AB, A,B, or O
a patient with an O blood type can receive a transfusion from a donor
with blood type ____ only. Ans✓✓✓ O
a pedigree chart reveals the presence of a disease trait in both a boy
and his mother's father. This pattern would suggest Ans✓✓✓ X-linked
inheritance
, a phenotype is Ans✓✓✓ a physical trait
a woman with normal BRCA alleles has a child with a man who has one
mutated BRCAI allele. what is the probability that the child will have a
mutated BRCAI allele? Ans✓✓✓ 50%
ABO blood type inheritance is an example of Ans✓✓✓ codominance
All of the following are advantages of producing human drugs in
animals EXCEPT Ans✓✓✓ drugs produced in animals are less likely to
degrade over time
all of the following are true of recessive alleles, EXCEPT Ans✓✓✓ They
are never transcribed and therefore never produce protein
alleles are alternate versions of ______ gene(s) that have _____
nucleotide sequences Ans✓✓✓ the same; small differences in their
alleles are located Ans✓✓✓ at a specific position on each of a fair of
chromosomes
An example of a nucleic acid is Ans✓✓✓ DNA
