1) A true-breeding purple-flower plant crossed with a true-breeding...

1) A true-breeding purple-flower plant crossed with a true-breeding white-flower plant

all white-flower plants

all purple-flower plants

mostly purple-flower plants

2) The observable expression of a trait is determined by its _________

phenotype

genotype

3) What is heredity? *

The process of chromosomes mutating

The study of how traits are passed from parents to offspring

The passing of traits from parents to offspring

The study of DNA

4) Which trait will an organism that receives one dominant gene and one recessive gene most likely have? 

The organism will have the recessive trait.

There is not enough information to tell what the phenotype will be.

The organism will not have either trait.

The organism will have the dominant trait.