Model of diaphragm during inspiration and
expirchion​

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

As a small change in a person's dna can cause a genetic disorder

Atest cross can be used to -predict the phenotypes of a monohybrid cross -predict an unknown genotype of a purebred dominant plant -cross-breed dominant and recessive plants -give probabilities that a trait will appear