heredity {Ans: the transmission of traits from ancestor to descendant}autosome {Ans: a chromosome that is not directly involved on determining sex, as opposed to a sex chromosome}tissue {Ans: an integrated group of cells with a common function, structure, or both}stroke {Ans: sudden loss of consciousness, sensation, and voluptuary motion caused by rupture or obstruction of a blood vessel of the brain}prion {Ans: any of various infectious proteins that are abnormal forms of normal cellular proteins, that proliferate by inducing the normal protein to convert to the abnormal form, and that in mammals include pathogenic forms}homologous chromosomes {Ans: chromosomes having the sMe or allelic genes with genetic loci usually arranged in the same order}