Card Set Information
FLahscards for science lesson 12.2
What did Mendel observe?
He observed heredity. (the passing of the physical characteristics, or traits, from parents to offspring)
Today, Mendel's discoveries form the foundation of ________, the scientifc study of heredity.
A new organism begins to form when egg and sperm cells join in the process called __________.
What is a purebred?
when a purebred organism is the offspring of many generations that show the same form of a trait.
What is an example of a purebred organism?
Two purebred tall pea plants always producing tall offspring.
Today, scientists know that _____ control the inheritance of traits.
What do scientists call the purebred tall plants crossed with the purebred short plants?
parental, or P generation
______ are the different forms of a gene.
What is an organsism's traits controlled by?
Alleles it inherits from it's parents
Some alleles are _____, while other alleles are ______.
An awesome british/irish boy band