Heredity Test/Quiz
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Heredity
Passing of traits from one generation to the next
Trait
Distinguishing characteristics or quality Blue eyes
Chromosomes
Piece of DNA that contains genes
Homologous chromosomes
Chromosomes from parents that have the same genes in the same location
Gene
Segment of DNA on a chromosomes that codes for specifics traits
Allele
Alternate form of gene
Dominant allele
Allele who’s trait always shows up in the organism when the allele is present (capital letter)
Recessive allele
Allele who’s trait is hidden when paired with a dominant allele. Only shows up when there is no dominant allele. (Lower case letters)
Homologous
Organism has 2 identical alleles for a trait BB bb
Heterozygous
Organism has 2 different alleles for a trait Hh
Genotype
Organisms genetic makeup or allele combinations Hh BB bb
Phenotype
Outward appearances or visible of an organism Blue eyes