Biology 1402 Final Exam Review
Questions & Answers (Grade A+)
the phase of mitosis during which the nuclear envelope fragments
and the nucleoli disappear is called -
correct answer ✅interphase
the lac operon of E.coli is_____ when the repressor is bound to
lactose -
correct answer ✅active
which of the following statements regarding sexual and asexual
reproduction is true -
correct answer ✅sexual reproduction is more likely to increase
genetic variation than is asexual reproduction
in a prokaryote, a group of genes with related functions, along with
their associated control sequences defines -
correct answer ✅an operon
proteins that bind to DNA and turns on operons by making it easier
for RNA polymerase to bind a promoter are called -
correct answer ✅activators
, Biology 1402 Final Exam Review
Questions & Answers (Grade A+)
most genetic disorders of humans are caused by -
correct answer ✅a mutation that occurs in the egg, sperm or
zygotes
all the offspring of a cross between a black-eyed mendelien and an
orange-eyed medelien have black eyes. this means that the allele
for black eyes is _______ the alleles for orange eyes -
correct answer ✅dominant to
a gene operon consists of -
correct answer ✅transcribed genes, an operator, a promotor
which of the following statements is false
a. incomplete dominance supports the blending hypothesis
b. the four blood types result from various combinations
c. ABO blood groups can provide evidence of paternity
d. heterozygous for hypercholesterolemia have blood cholesterols
about twice normal
e. the impact of a single gene on more than one character is called
pleiotropy -
correct answer ✅incomplete dominance supports the blending
hypothesis
Questions & Answers (Grade A+)
the phase of mitosis during which the nuclear envelope fragments
and the nucleoli disappear is called -
correct answer ✅interphase
the lac operon of E.coli is_____ when the repressor is bound to
lactose -
correct answer ✅active
which of the following statements regarding sexual and asexual
reproduction is true -
correct answer ✅sexual reproduction is more likely to increase
genetic variation than is asexual reproduction
in a prokaryote, a group of genes with related functions, along with
their associated control sequences defines -
correct answer ✅an operon
proteins that bind to DNA and turns on operons by making it easier
for RNA polymerase to bind a promoter are called -
correct answer ✅activators
, Biology 1402 Final Exam Review
Questions & Answers (Grade A+)
most genetic disorders of humans are caused by -
correct answer ✅a mutation that occurs in the egg, sperm or
zygotes
all the offspring of a cross between a black-eyed mendelien and an
orange-eyed medelien have black eyes. this means that the allele
for black eyes is _______ the alleles for orange eyes -
correct answer ✅dominant to
a gene operon consists of -
correct answer ✅transcribed genes, an operator, a promotor
which of the following statements is false
a. incomplete dominance supports the blending hypothesis
b. the four blood types result from various combinations
c. ABO blood groups can provide evidence of paternity
d. heterozygous for hypercholesterolemia have blood cholesterols
about twice normal
e. the impact of a single gene on more than one character is called
pleiotropy -
correct answer ✅incomplete dominance supports the blending
hypothesis
