Studying one trait at a time ensures that multiple are not changing simultaneously.

Give one reason Mendel chose pea plants for his experiment.

they were easy to keep track of

"do a testcross with a homozygous recessive plant."

the answer would be knowledge about cars!

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.