heredity Flashcards
what is heredity.
the passing of traits from parents to offspring
what is a dominant trait
the trait that is first observed
what is recessive trait
the trait that reappears in the second generation
what is genes
one set if instructions for an inherited trait
what is alleles
one of the alternative forms of a gene like hair color
what is phenotype
an organism’s appearance
what is genotype
the entire genetic makeup of an organism
what is probability
the likely hood that a future event will happen
what is meiosis
a step in cell division
what is sex chromosomes
carry genes that determine sex
what is pedigree
a diagram that shows the occurrence of a genetic trait
what is DNA
a molecule that is present in every living cell
what is nucleotide
it is an acid chain
what is RNA
protein production in all living cells
