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ASU BIO 182 EXAM 1 AND PRACTICE EXAM NEWEST ACTUAL EXAM COMPLETE 200 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+$27.99
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ASU BIO 182 EXAM 1 AND PRACTICE EXAM
NEWEST 2024-2025 ACTUAL EXAM COMPLETE
200 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+
ASU BIO 182 EXAM 1
What did Hugo de Vries (1848-1935) contribute to science in
the context of Darwinian Evolution? - CORRECT ANSWER-
Hugo de Vries brought up the idea of mutation. New genes
could pop-up from mutations to provide the necessary genetic
variation for Natural Selection.
What would blending inheritance lead to? - CORRECT
ANSWER-Blending Inheritance would lead to a decrease in
genetic diversity/variation. (Not a realistic theory for what is
really occurring)
True or False #10: According to the theory of blending
inheritance, a mating between a plant that produces round peas
and a plant that produces wrinkled peas would result in offspring
that produces slightly wrinkled peas. - CORRECT ANSWER-
True
,2|Page
What is genetic variation? - CORRECT ANSWER-Genetic
Variation depends on particles that segregate but do not blend
during reproduction. (Something is passing on that can come
back; some kind of trait. Recessive Gene)
What model did Gregor Johann Mendel (1822-1884) to visualize
and represent genotypes and phenotypes? - CORRECT
ANSWER-Punnet Square! (Capital Letter reps Dominant Allele;
Lower Case Letter reps Recessive Allele)
True or False #11: If some plants with round peas were
heterozygotes (Aa), then these plants should produce offspring
with wrinkled peas when mated to plants with wrinkled peas
(aa). - CORRECT ANSWER-True! (Aa X aa = 2 Aa and 2 aa)
Why do experiments?:1. Why Replicate observations?2. Why
Control conditions?3. Why Randomize Subjects? - CORRECT
ANSWER-1. Increases reliability of patterns2. Isolates effects of
certain factors3. Decreases bias from uncontrolled factors
What is incomplete dominance? - CORRECT ANSWER-
Situation in which one allele is not completely dominant over
another allele
,3|Page
What is codiminance? - CORRECT ANSWER-situation in
which both alleles of a gene contribute to the phenotype of the
organism (spotted cows e.g.)
What is probability? - CORRECT ANSWER-likelihood that a
particular event will occur
Will you ever get exactly 75% Dominant phenotype (genotype -
AA or Aa) and 25% recessive phenotype (genotype - aa) with a
two heterozygote parents (Aa)? - CORRECT ANSWER-No,
because there will always be discrepancy/imperfection is due to
random events.
True or False #12: If two heterozygotes mate to produce two
offspring, the chance that both offspring are homozygous
recessive equals 50%. - CORRECT ANSWER-False!
What is a P-Value? - CORRECT ANSWER-The probability of
the observed deviation from the what we expect or a greater
deviation, when the model is correct. (Due to sampling error not
the model, because the model is correct)
What does a statistical test do? - CORRECT ANSWER-A
statistical test estimates the probability of obtaining a certain
deviation from predictions based on sampling errors.
, 4|Page
1. Why is the yellow pea a dominant allele?
2. Why is the green pea recessive? - CORRECT ANSWER-1.
The yellow pea contains Pheide a Oxygenase (PAO), an enzyme
that breaks down green color chlorophyll. And it allows for the
production of functional pheide a oxygenase.
2. The green peas are recessive alleles, because they have a
nonfunctional pheide a oxygenase that does not break down the
green color chlorophyll.
True or False # 13: If a heterozygote (Aa) makes enough
enzymes to catalyze as many reactions as a homozygotes (AA)
can, these genotypes would have the same phenotypes. -
CORRECT ANSWER-True! In this situation half as much
enzymes can still do it, but may take more time. (Enzymes bind
to substrate but never are used up)
How does dominance work? - CORRECT ANSWER-
Dominance results from biochemical process involving enzymes
associated with the gene.
True or False #14: If a heterozygote (Aa) makes some enzymes,
but not enough to catalyze as many reactions as a homozygote
(AA) can, all genotypes would have the same phenotype
(AA=Aa=aa). - CORRECT ANSWER-false
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