Science Vocab 3.1/3.2

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Terms in this set (...)

Heredity
Passing genes from parents to offspring (children)
Allele
Different forms of a gene (flower color red, yellow, white)
Genetics
The study of how genes are inherited
Dominant
Allele- Alleles that cover or hide other Alleles
Recessive
Allele- Alleles that are covered or hidden by other alleles
Punnett Square
A grid of chart that shows all the potential combinations of alleles from two diifferent parents
Genotype
Gene combination in a diploid cell
Phenotype
Physical traits of the organism
Homozygous
2 of the same Alleles AA aa (genotype)
Heterozygous
Two different alleles Aa Tt (genotype)
Trait
A genetically controlled characteristic
Purebred
Organisms that are Homozygous for an allele
Sex Linked Gene
A gene located on a sex chromosome X Y
Pedigree
Chart that shows genetic relationships over several generations