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Terms in this set (30)
locus
the location of a gene or allele on a chromosome.
DNA
the chemical compound that contains basic information for the structure of life.
CHROMOSOME
: A strand of super coiled DNA sequences that are located in all of your cells nucleus, chromosomes come in pairs.
Gene
: a section of a chromosome that controls the coding of a physical trait.
Heritability
: the proportion of the phenotype variation that is due to inheritance rather than environmental influences.
Monogenic/Mendellion Trait:
: a characteristic that is influenced by a single gene or gene pair.
Phenotype:
: the physical expression of the genotype PLUS environmental influences.
genotype
: the genetic makeup of an individual regardless of what is physically expressed.
hererozygous
the contributing alleles are different.
homozygous
: both alleles contributing to the characteristics are the same.
Recessive Genes
: Lower case letters t
Dominant Genes:
: Capital letters TT
alleles
: A variant sequence of nucleotides in a gene; a form of gene
punnett square
TT, Tt, tt.
Gregor Mendel "Father of Genetics
: Pea pods experiment SS, Ss, ss.