Which type of neuroglia is found outside of the brain?

When should a bar graph be used? a. when there is no independent variable. b. when the independent variable is continuous and does not show a relationship to the dependent variable. c. when the independent variable is continuous and shows a causal link to the dependent variable. d. when the independent variable is composed of categories and does not show a relationship.

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.