What's true about all three of the first babies? A. They all have hair, but they have different genotypes

B. They all have the same genes but some have hair and some don't

5. which of the following is not true about performing biological investigations? a. most scientists do not use the metric system or si. b. scientists are trained to conduct their investigations safely. c. the metric system and the revised si are based on multiples of 10. d. reading and understanding the steps before conducting an experiment is necessary for safety.