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chapter 4

section 1& 2

the passing of traits from parents to offspring heredity
a charactristic that an organism can pass on to its offspring through its genes trait
the scientific study of heredity genetics
the joining of a sperm and an egg fertilization
the offspring of many generations that have the same traits purebread
the set of information that controls a trait gene
the different forms of a gene alleles
an allele whose trait always shows up in the organism when the allele is present dominant allele
an allele that is masked when a dominant allele is present recessive allele
an organism that has two diffrent alleles for a trait hybrid
a number that discribes how likely it is that an event will occur probaility
a chart that shows all the possible combinations of alleles that can result from a genetic cross punnet square
an organism's physical apperance, or visibale traits phenotype
an organism's genetic makeup,or allele combinations genotype
having two identical alleles for a trait homozygous
having two diffrent alleles for a trait heterozygous
a condition in witch neither of two alleles of a gene is dominate or resessive codominance
Created by: hi people