BLD 430 EXAM ACTUAL QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS VERIFIED GRADED A++
Which of the following is a nitrogen base?
a) AMP
b) Adenine
c) dAMP
d) Adenosine
b) Adenine
The human genome includes all the genetic information in _____.
a) All alleles
b) 23 pairs of chromosomes
c) nuclear and mitochondria chromosomes
d) 23 pairs of chromatin
c) nuclear and mitochondria chromosomes
Which DNA sequence is complementary to 5′GATTCTCAAAGGACT3′?
a) 3′CTAAGAGTTTCCTGA5′
b) 5′CTAAGAGTTTCCTGA3′
c) 3′GATTCTCAAAGGACT5′
d) 5′GATTCTCAAAGGACT3′
a) 3′CTAAGAGTTTCCTGA5′
,What are the assumptions of Hardy Weinberg equilibrium?
a) large population size, random mating, no selection, no migration, no mutation
b) Small population size, random mating, no selection, no migration, no mutation
c) large population size, like individuals mate, no selection, no migration, no
mutation
d) large population size, random mating, heterozygotes survive the best, no
migration, no mutation
a) large population size, random mating, no selection, no migration, no mutation
Which of the following is NOT a trait that is the result of, or is affected by, the
interaction of more than one gene?
a) Height
b) Eye color
c) Skin color
d) Sickle cell disease
d) Sickle cell disease
The nucleotides in a single strand of DNA are held together by which of the
following bonds?
a) Hydrogen
b) Phosphodiester
,c) Peptide
d) Disulfide
b) Phosphodiester
The alleles of a gene are found at ________ chromosomes.
a) the same locus on heterologous
b) the same locus on homologous
c) the same locus on homologous mitochondrial
d) different loci on heterologous
b) the same locus on homologous
The alternate forms of a gene on homologous chromosomes are called_____.
a) alleles
b) tetrad
c) different
d) loci
a) alleles
An exon is:
a) always at the end of a gene
b) spliced out (wrong; introns are spliced out)
, c) coding region of a gene
d) a DNA-binding protein
c) coding region of a gene
If an individual with a dominant phenotype is crossed with an individual with a
recessive phenotype, 4 of their 9 offspring show the recessive phenotype. What
is the genotype of the first parent?
a) aa
b) Aa
c) AA
d) Cannot tell, need more information
b) Aa
Which of the following is a purine?
a) Adenine
b) Cytosine
c) Alanine
d) Thymine
a) Adenine
The short arm of the chromosome is designated as which of the following?
a) o
b) r
c) q
d) p
d) p (for petite)
WITH COMPLETE SOLUTIONS VERIFIED GRADED A++
Which of the following is a nitrogen base?
a) AMP
b) Adenine
c) dAMP
d) Adenosine
b) Adenine
The human genome includes all the genetic information in _____.
a) All alleles
b) 23 pairs of chromosomes
c) nuclear and mitochondria chromosomes
d) 23 pairs of chromatin
c) nuclear and mitochondria chromosomes
Which DNA sequence is complementary to 5′GATTCTCAAAGGACT3′?
a) 3′CTAAGAGTTTCCTGA5′
b) 5′CTAAGAGTTTCCTGA3′
c) 3′GATTCTCAAAGGACT5′
d) 5′GATTCTCAAAGGACT3′
a) 3′CTAAGAGTTTCCTGA5′
,What are the assumptions of Hardy Weinberg equilibrium?
a) large population size, random mating, no selection, no migration, no mutation
b) Small population size, random mating, no selection, no migration, no mutation
c) large population size, like individuals mate, no selection, no migration, no
mutation
d) large population size, random mating, heterozygotes survive the best, no
migration, no mutation
a) large population size, random mating, no selection, no migration, no mutation
Which of the following is NOT a trait that is the result of, or is affected by, the
interaction of more than one gene?
a) Height
b) Eye color
c) Skin color
d) Sickle cell disease
d) Sickle cell disease
The nucleotides in a single strand of DNA are held together by which of the
following bonds?
a) Hydrogen
b) Phosphodiester
,c) Peptide
d) Disulfide
b) Phosphodiester
The alleles of a gene are found at ________ chromosomes.
a) the same locus on heterologous
b) the same locus on homologous
c) the same locus on homologous mitochondrial
d) different loci on heterologous
b) the same locus on homologous
The alternate forms of a gene on homologous chromosomes are called_____.
a) alleles
b) tetrad
c) different
d) loci
a) alleles
An exon is:
a) always at the end of a gene
b) spliced out (wrong; introns are spliced out)
, c) coding region of a gene
d) a DNA-binding protein
c) coding region of a gene
If an individual with a dominant phenotype is crossed with an individual with a
recessive phenotype, 4 of their 9 offspring show the recessive phenotype. What
is the genotype of the first parent?
a) aa
b) Aa
c) AA
d) Cannot tell, need more information
b) Aa
Which of the following is a purine?
a) Adenine
b) Cytosine
c) Alanine
d) Thymine
a) Adenine
The short arm of the chromosome is designated as which of the following?
a) o
b) r
c) q
d) p
d) p (for petite)
