What evidence does douglass present to disprove the idea of black inferiority?

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

How many copies of genes do gametes have?

Which of the following statements about genes and traits is true? a single trait can be controlled by multiple genes. a single gene can control a single trait. a single trait can alter multiple genes. a single gene can influence multiple traits.