a [blank_start]gene[blank_end] is a heritable factor that consists of the length of DNA and influences a specific characteristic
Answer
gene
locus
allele
Question 2
Question
the [blank_start]locus[blank_end] occupies a specific position on the [blank_start]chromosome[blank_end]
Answer
locus
chromosome
Question 3
Question
[blank_start]alleles[blank_end] are different forms of the same gene that occupy the same locus
Answer
alleles
loci
mutations
Question 4
Question
alleles differ from only one or a few bases
Answer
True
False
Question 5
Question
what are single nucleotide polymorphisms?
Answer
positions in a gene where there is only one base
positions in a gene where more than one bases are present
a specific position on the chromosome
different forms of the same gene that occupy the same locus
Question 6
Question
[blank_start]mutations[blank_end] are random changes to the base sequence of DNA
Answer
mutations
Question 7
Question
what is an example of a mutation?
Answer
sickle cell anemia
malaria
Klinefelter's disease
Turner's disease
Question 8
Question
[blank_start]sickle cell anemia[blank_end] is caused by a mutation in the [blank_start]alpha-globin[blank_end] polypeptide in [blank_start]hemoglobin[blank_end]
Answer
sickle cell anemia
alpha-globin
hemoglobin
Question 9
Question
what happens to the red blood cells once they become sickle cells?
Answer
they change shape, become trapped in the capillaries, and reduce blood flow
the change shape, become trapped in the arteries, and reduce blood pressure
they are heritable factors that consist of the length of DNA and influence a specific characteristic
they are specific positions on a chromosome
Question 10
Question
a [blank_start]genome[blank_end] is the entire base sequence of each of the DNA molecules in an organism
Answer
mutation
gene
genome
Question 11
Question
where is the genome located in bacteria/prokaryotes?
Answer
in nuclear chromosomes plus DNA in mitochondria and chloroplasts
in circular chromosomes plus and plasmids present
in nuclear chromosomes plus DNA in mitochondria
in circular chromosomes plus DNA in mitochondria and alleles
Question 12
Question
check off the structural and genetic characteristics of a prokaryote:
Answer
double copy of each gene
single copy of each gene
have plasmids
has zero plasmids
has extra DNA molecules that are useful, but not necessary
Question 13
Question
check of the structural and genetic characteristics of eukaryotes:
Answer
has both dna and proteins
has both dna and genomes
dna is single and long and wrapped around histones