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bogdanovich [222]
3 years ago
15

Some organisms have traits that help them survive in certain situations, while others of the same species do not. These differen

ces happen by _____ due to genetic variation through sexual reproduction.
 chance
​
Biology
2 answers:
RSB [31]3 years ago
6 0
These differences happen by natural selection/survival of the fittest due to genetic variation through sexual reproduction.
dexar [7]3 years ago
4 0

Natural selection/survival of the fittest

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The mentioned parental types are c+m- and c-m+. Thus, the recombinants will be c+m+ and c-m-.  

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