Genetics Notes
Chapter 13
Who is the Father of Genetics?
Gregor
Mendel
The passing of traits from parents to
offspring is
Heredity
Different forms of a trait that a gene
may have (represented by a letter)
Allele
The study of how traits are inherited
Genetics
What has different alleles from each
parent? (Tt)
Hybrid (also called
heterozygous)
The gene that dominates (shows up)
upper case letter
Dominant
Gene
(purple color)
A gene that may be covered by a
dominant gene (lower case letter)
Recessive
(white flower)
This is used to predict genetic
outcomes.
Punnett
Square
The Genetic makeup of an organism
is it’s
Genotype
BB, Bb, bb
The Physical appearance of an
organism is it’s
Phenotype
(Purple or White Color)
The SAME genes (AA, aa)
Different Genes (Aa)
Heterozygous
Practice making genes
HOMOZYGOUS
DOMINANT
HETEROZYGOUS