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1. Given the following concordance rates, is the identified trait primarily genetic or environmental? Explain.

MZ Twins DZ Twins
Height 0.94 0.44
Measles 0.95 0.87
Migraine headaches 0.80 0.39
Body fat percentage 0.73 0.22

  • Biology -

    They are both, but MZ twins have identical genetics, you would expect their correlations to be higher. Lower correlations suggest environmental.

  • Biology -

    . 2 students were testing the amount of fertilizer that would best promote the growth of strawberries in a garden.List an unavoidable source of experimental error

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