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Biology 12.2
mendel's theory
| Question | Answer |
|---|---|
| one of the alternative forms of a gene that governs a characteristic, such as hair color | allele |
| in genetics, describes an allele that is fully expressed whenever the allele is present in an individual | dominant |
| in genetics, describes an allele that is expressed only when no dominant allele is present in an individual | recessive |
| the entire genetic makeup of an organism; also the combination of genes for one or more specific traits | genotype |
| an organism's appearance or other detectable characteristic that results from the organism's genotype and the environment | phenotype |
| describes an individual that has identical alleles for a trait on both homologous chromosomes | homozygous |
| describes an individual that carries two different alleles of a gene | heterozygous |