Page 167 - Science Course 3 (Book 1)
P. 167
Mo4-L5b: What Influences Traits?
Some mutations can affect an organism’s ability to
survive.
Other mutations might help an organism to survive.
Beneficial mutations can spread through an entire
population.
SUMMARY
What Infuences Traits?
An organism’s phenotype can be influenced
by factors in the environment, such as light,
nutrients, or social interactions.
One result of a mutation could be a change in
appearance, such as a change in feather
color.
RR rr
Rr Rr
X
Rr Rr
RR Rr rR rr
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