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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
What would you like to do?
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