What was like before Malcolm X accomplishment?

The punnett square predicts the ratio of genotypes in the offspring, based on the genotypes of the parents. in this cross, tallness (h) is dominant to shortness (h). based on the punnett square, what is the phenotype of the offspring? hh hh tall short

If the charge that enters each meter of the axon gets distributed uniformly along it. true or false

In the 1500s, an astronomer developed a new model of the universe. this model had the sun at the center of the universe, not earth. who was this astronomer?