Exam (elaborations)
BSC 108 TEST 3 QUESTIONS AND ANSWERS 2024
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BSC 108 TEST 3 QUESTIONS AND ANSWERS 2024
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BSC 108 TEST 3What is the expected phenotypic ration in the F2 generation from the cross in F1.
a. 3 recessive to 1 dominant
b. 3 dominant to 1 recessive
c. half dominant and half recessive - ANSWERS-b. 3 dominant to 1 recessive
Dominant genes are always expressed phenotypically?
a. True
b. False - ANSWERS-a. True
____________ is defined as an organism's expressed physical traits.
a. phenotype
b. genotype
c. wild-type birds
d. garden sweet peas - ANSWERS-a. phenotype
___________ is defined as an organism's genetic makeup.
,a. phenotype
b. genotype
c. wild-type birds
d. garden sweet peas - ANSWERS-b. genotype
Mendel used __________ for his experiments.
a. phenotype
b. genotype
c. wild-type birds
d. garden sweet peas - ANSWERS-d. garden sweet peas
Which is NOT TRUE about Humulin?
a. it was the first recombinant DNA to be approved by the FDA.
b. It caused more adverse reactions in humans as compared to insulin from cows
c. it was the first genetically engineered pharmaceutical product
d. It is mass produced by Eli Lilly pharmaceutical company - ANSWERS-c. it was
the first genetically engineered pharmaceutical product
, Which of Mendel's laws is represented by the following statement: Alleles of each
homologous pair separate independently during gamete formation?
a. Law of segregation
b. Law of thermodynamics
c. Law of independent assortment
d. Law of conservation - ANSWERS-c. Law of independent assorment
A test cross is used to determine the ________________ of an unknown animal.
a. phenotype
b. chromosomes
c. genotype
d. karyotype - ANSWERS-c. genotype
There has been a lot of discussion about stem cell research in the mainstream
literature. Stem cells come from all of the following except:
a. umbilical cord
b. embryos
c. bone marrow
d. stem cells can come from all of these sources - ANSWERS-d. stem cells can
come from all of these sources
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