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Heredity (traits (dominant- A trait that blocks a recessive trait from…
Heredity
traits
dominant- A trait that blocks a recessive trait from occurring in offspring. (capital)
recessive- The trait that is not as powerful as a dominant trait. (lowercase)
Mendel concluded that each trait came from each parent.
genetics vs. heredity
genetics- the study of heredity
heredity- the passing of physical or mental traits from one generation to another
Vocabulary
Inside each cell is a nucleus is a thread like structure called chromosomes.
phenotype- how a trait appears or how it's expressed.
genotype- the two alleles that control the phenotype of a trait
heterozygous- When the two alleles of a trait are different, its genotype is heterozygous.
homozygous- When the two alleles of a trait are the same its genotype is homozygous.
Gene- A section on a chromosome that has genetic information for one trait.
Punnett square- A model used to predict possible genotypes and phenotypes of offspring.
heredity- the passing or physical or mental traits from one generation to another.
Alleles- the different forms of a gene.
A gene of a pea might have different information about the flower color.
Allele
Gene
punnet square
