Heridity Flash Cards
Allele
combination of genes
Genotype
the genetic makeup of an organism
Phenotype
appearance of an organism
Homozygous
2 uppercase letters. (purebred)
Heterozygous
1 upper & 1 lower case letter
Dominant Trait
the trait that you can see
Recessive Trait
the trait you cant see
Mitosis
reproduction of normal cells
Meiosis
reproduction of sex-cells
Identical Twins
same DNA and almost everything about them is the same
Fraternal Twins
different DNA and they like some of the same things
Sex-linked Disorder
disease that comes from your reproductive cells
Chromosome
holds your DNA
Gene
the physical unit of heridity (DNA)
DNA
the stuff that makes up who you are
DNA Replication
where your DNA replicates and you can get a mutation if it messes up
Double-Helix
spiral arrangement of 2 strands of DNA (mutation)
Chargaff’s Rule
statement that any cell of any organism should have a 1:1 ratio
Mutation
mess up in DNA
Deletion
gets rid of something in your DNA
Insertion
adds something into your DNA
Substitution
you lose something in your DNA but something else comes in to replace it