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Bio 182 Exam 1/34 Questions with Solutions £6.73   Add to cart

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Bio 182 Exam 1/34 Questions with Solutions

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Bio 182 Exam 1/34 Questions with Solutions

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  • August 13, 2024
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  • 2024/2025
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Bio 182 Exam 1/34 Questions with
Solutions
Lamarck's ideas - -inheritance of acquired characteristics

-inheritance of acquired characteristics - -changes that affect an organism
during its lifetime would be passed to it's offspring; Ex. Giraffes stretch necks
for food, thus offspring develop larger necks

-evolution by natural selection - -the environment determines which
individuals survive and reproduce

-conditions for natural selection - -phenotypes vary, are heritable, and
affect reproduction

-how do bacterio become immune to antibiotics - -bacteria with variations
that allow them to survive are able to reproduce. They pass down the genes
that grant immunity to the antibiotics

-control - -an element in an experiment that is unchanged by other
variables. used to increase the reliability of an experiment

-independent variable - -the variable that is manipulated during the
experiment

-dependent variable - -the variable that is effected by other variables;
changes in response to the independent variable

-replicates - -doing this increases reliability of the experiment

-sample size - -the number of subjects in the experiment; one too small
produces unreliable results

-heritability - -the proportion of phenotypic variance determined by the
additive effects of the alleles

-how heritability is estimated - -additive genetic variance (Vg) over
phenotypic variance (Vp); Vg/Vp; the relationship between the phenotypes of
parents and their offspring

-T/F More heritable traits lead to more rapid evolution - -True

-Point mutation - -gene mutation in which a single base pair in DNA has
been changed; most likely to form a new allele

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