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29.4: Key Terms

Last updated

Nov 7, 2024
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- 29.3: Practice- Pedigrees
- 30: Chromosomes and Linkage

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Key terms

Term	Meaning
Pedigree	Chart that shows the presence or absence of a trait within a family across generations
Genotype	The genetic makeup of an organism (ex: TT)
Phenotype	The physical characteristics of an organism (ex: tall)
Dominant allele	Allele that is phenotypically expressed over another allele
Recessive allele	Allele that is only expressed in absence of a dominant allele
Autosomal trait	Trait that is located on an autosome (non-sex chromosome)
Sex-linked trait	Trait that is located on one of the two sex chromosomes
Homozygous	Having two identical alleles for a particular gene
Heterozygous	Having two different alleles for a particular gene

Key terms

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