Darwin, Genetics, and Cell Biology Flashcards
Genotype
The genetic makeup of an individual
Phenotype
The observable/measurable characteristics of an organism
Allele
One of two or more alternative forms of a gene
Ploidy
The number of copies of unique chromosomes in a cell; bacteria are haploid (n) and humans are diploid (2n) and human gametes are haploid (n)
Homologous pairs
In diploid organisms, chromosomes are homologous pairs, one chromosome from each pair parent
Somatic cells
the body cells which are diploid
Gametes
the sex cells which are haploid
Particulate hypothesis
Parents pass discrete, heritable units to their offspring
Law of Dominance
Forms of factors can be dominant or recessive
Law of Segregation
Factors segregate randomly and go in different gametes
Law of independent assortment
Genes for different traits are not linked and sort independently into the gametes