Card Set Information
science vocab 7th grade Ms Trnka
Ms. Trnka's vocab words for 7th grade science by Anupa and Paola
What is heredity?
The passing of physical characteristics, or traits, from parents to offspring.
What are genetics?
The scientific study of heredity
What is fertilization?
The process in which a new organism begins to form when egg and sperm cells join in
What is purebred?
An offspring of many generations that have the same type of trait.
What are alleles?
The different forms of a gene
What is a dominant allele?
One whose trait always shows up in the organism when the allele is present
What is a recessive allele
Hidden whenever the dominant allele is present
What is a hybrid?
An organism that has two different alleles for a trait