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LHS Genetics Bio I
This is a stack of common genetics terms that you need to know for your test.
Question | Answer |
---|---|
Heterozygous | the type of genetic combination that occurs when an organism has two different alleles for one trait; an example is Bb |
Haploid | a cell, such as a gamete, that has only one set of chromosomes; represented by the symbol "n" |
Diploid | a cell that has two sets of chromosomes; is represented by the symbol "2n" |
Complete Dominance | an inheritance relationship in which one allele is completely dominant over the other; both BB and Bb will express the dominant phenotype |
Homozygous | the type of genetic combination that occurs when an organism possesses two identical alleles for one trait; when written, an example would be BB or bb |
Monohybrid Cross | a type of punnett square that examines one trait |
Incomplete Dominance | a type of inheritance in which F1 (first filial generation) hybrids have a phenotype that looks like a "blend" between the parental phenotypes |
Phenotype | a physical trait of an organism, such as eye color, that results from its genetic makeup |
Genotype | the combination of dominant and recessive genes (alleles) in an organism's cells |