Science flash cards for chapter 12
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what is heredity?
the passing of physical characteristics, or traits, from parents to offspring.
what are genetics?
the scientific study if heredity.
What is fertilization?
When a new orginism begins to form when a soerm egg and sperm cells join.
What is purebred?
The offspring many that show the same form of a trait.
What are alleles?
The different forms of a gene.
what is a dominanet allele?
The trait that alwaus shows up in the orginism when the allele is present.
What is the recessive allele?
the one that is hidden whenever the dominant allele si present.
What is the hybrid?
Orginism that has two different alleles for a trait.
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