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18 Cards in this Set

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  • Back
What are all living things identified by?
Traits
What do we call the passing of traits from parents to offspring?
Heredity
Who was the first guy to investigate how traits are inherited?
Gregor Mendel
What is the study of inheritance?
Genetics
What kind of plants did Mendel use?
Pea Plants
What is the unit of genetic material that determines a trait?
Gene
What do we call a strong gene?
Dominant
What do we call a weak gene?
Recessive
What is the trait an organism shows?
Phenotype
What is the gene combination that determines the phenotype?
Genotype
What do we call a genotype is a combination of a dominant and recessive gene?
Hybrid
What symbols are used to write genotypes?
Letter Symbols
What gene separates during the formation of sex cells?
Gamete
How many pairs of genes do parents pass off to their offspring?
1 Pair
How mant genes control human skin color?
3 or 4
What do Punnett Squares help you predict?
Phenotypes
When a recessive gene and a dominant gene are paired, which one hides the other?
A dominant gene hides the recessive gene.
What are TT, Tt, and tt genotypes for?
Stem Length