Bio 182 Module 2 – Genetics Questions and Answers
with Solutions UPDATED!!!
T/F Dominance results from biochemical processes involving
enzymes associated with the gene. - ANSWER True
T/F 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)? - ANSWER False
Unit of heritable information on chromosome and consisting of
a sequence of DNA. - ANSWER Gene
A heritable feature, such as flower color. - ANSWER Character
A variant of a character, such as purple or white flowers. -
ANSWER Trait
T/F Each trait carries two copies of a gene, one inherited from
the mother and the other from the father. - ANSWER True
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Probability - ANSWER Describes our certainty about an
outcome or event
Independent Events - ANSWER The outcome of one event does
not affect the outcome of the second event
Joint Probability - ANSWER The probability of two events
occurring together
P(A and B) = P(A) · P(B) - ANSWER Joint Probability Calculation
P(A OR B) = P(A) + P(B) - P(A AND B) - ANSWER Probability that
either event occurs
-Each parent in the monohybrid cross contributed one of two
alleles to each offspring
-Every combination of alleles was equally likely - ANSWER
Mendels postulated the following rules of inheritance