Chapter 1: Basic Principles
what is heredity?
the transmission of traits (physiological, morphological, behvaioral) from one generation to the next
what are heritable traits?
Traits that can be transmitted or passed from generation to generation
genes
basic units of heredity
what is artifical selection?
Purposeful control of mating by choice of parents for the next generation
homunculus
-misleading theory of inheritance
-inherited features of offspring are contributed by the male parent via fully formed miniature offspring in the sperm
blended inheritance
-misleading theory of inheritance
-parental traits become mized and permanetly chnaged in the offspring
what are traits?
the characteristic of the gene
what is a phenotype?
the form of the trait
what is analyzed during a monohybrid cross?
genetic cross analyzin gthe inhertiance of a single trait
what is a parental generation?
-refers to the first set of parents crossed
-differ in one trait