Bio 156 Rio Exam 2 Test Questions

Crossing-over occurs between _____. {Ans: nonsister chromatids of chromosomes.}What is the normal complement of sex chromosomes in a human male? {Ans: one X chromosome and one Y chromosome}If you commit a crime, you need to make sure that you do not leave even the smallest speck of blood, hair, etc., from your body behind, because if you do, the DNA in this material can be amplified by __________, subjected to genetic analysis, and used to identify you as the perpetrator of the crime. {Ans: PCR}In a Mendelian monohybrid cross, which generation is always completely heterozygous? {Ans: F1 generation}Which refers to the addition of an extra segment of a chromosome? {Ans: duplication}Which refers to the movement of a piece of one chromosome to another nonhomologous chromosome? {Ans: translocation}