Chapter 8 Flashcards
the passing of genetic traits from parent to offspring
heredity
the trait observed in the first generation when parents that have different traits are bred
dominant trait
a trait that fades into the background
recessive trait
one set of instructions for an inherited trait
gene
one of the alternative forms of a gene
allele
an organisms appearence
phenotype
the entire genitic makeup of an organish
genotype
the likelihood that a event will happen
probability
chromosomes that have the same sequence of genes and the same structure
homologous chromosomes
the process in cell division during the number of chromosomes decreases by half the original number by 2 divisions of the nucleus, resulting in sex cells
meitosis
one of the pair of chromosomes that determine the sex of an indiviguial
sex chromosome
a diagram that show the occurrence of a genetic trait in several generations of a family
pedigree
