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Unit 10 Genetics
Terms from Unit 10
Term | Definition |
---|---|
homozygous | when the alleles for a trait are the SAME. Ex) HH, AA, bb, cc |
heterozygous | when the alleles for a trait are DIFFERENT. Ex) Hh, Aa, Bb, Cc |
genotype | the actual genes present; we use letters to show this. Ex) Bb, BB, bb |
phenotype | the actual physical traits present. Ex) brown hair, blue eyes, freckles |
dominant | this trait is always expressed; "wins" over the others |
recessive | this trait is only expressed when both alleles are present |
offspring | new organisms produced from a living thing |
gametes | reproductive cells; sperm and egg cells |