Biology chapter 11 : Genetics
Cross involving a single trait e.g. flower color.
Cross involving two traits e.g. flower color & plant height.
Chemical factors that determine traits.
different forms of a gene (dominant or recessive)
Stranger of two genes expressed in the hybrid; represented by a capital letter (R)
gene that shows up less after in a cross; represented by a lowercase letter.
gene combination for a trait. (RR,Rr,rr)
The physical feature resulting from a genptype (red, white)
the likelihood that particular event will occur.
any characteristic that can be passed from parent to offspring.
passing of traits from parent to offspring.
the study of heredity.
Law of Segregation
During the formation of egg & sperm, the two alleles responsible for a trait seprate from each other Allesless are re-combined at fertilization producing the genotype.
Law of Dominance
In a cross where the parents are pure for trait, only one form of the all the offspring will heterozygous and express only dominant trait.