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Biology, 22.04.2021 22:20 raulhill98

Abby set out to determine how many genes control the length of people's pointer finger. She compared
the length of the forefinger from 12 different
people. She measured each person's finger by
placing a metric ruler next to the person's finger and
measuring the length.
What is a possible source of error in her
experiment?
O A. She did not include a control group.
O B. She may have had a difficult time making
accurate measurements directly.
O C. She did not collect data from enough
people.
O D. She may have had a difficult time making
accurate measurements by estimation.

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