module 8 Flashcards
shows itself went to opposing characteristics are present
dominant gene
is hidden unless two recessive genes are present
recessive gene
allele
One pair of genes. ex. T or t
genotype
to allele sets, the genes you actually have. TT, tt, Tt
phenotype
what it looks like, Gene expressing itself
diploid cells
cells with a full set of chromosomes
haploid cells
sex cells with half sets of chromosomes
sperm cell + ovum cell =
diploid cell
Mono hybrid’s
combining one trait between two individuals
pedigree
diagram that follows a phenotype through several generations
dihybrid’s
combining two traits between two individuals
autosomes
all chromosomes that do not determine the sex of an individual
sex chromosomes
chromosomes that determine the sex of an individual
sex linked trait’s
traits that only travel on the sex chromosome
polygenetic inheritance
trait that results from several chromosome genes interacting
incomplete dominance
neither allele is dominant so they blend together
codominance
both alleles are present in equal strength
Mendel’s four principles
traits determined by genes
2 alleles make up the genotype for a trait
each parent contribute one allele per trait to offspring
if a dominant gene is present it will be expressed
antigen
protein jersey covering on your blood cells
father of genetics
Gregor Mendel
