BIOLOGY 130 CHAPTER 12 STUDY QUESTIONS | GRADED A

BIOLOGY 130 CHAPTER 12 STUDY QUESTIONS Question 1 of 10 1.0/ 1.0 Points Determine what statements describe Huntington’s disease? Select all that apply. A. The disease is caused by a delayed action gene B. The diseases is autosomal dominant C. The disease is sex­linked so it is mostly seen in men D. Offspring have a 50% chance of inheriting the gene E. t is recessive lethal Question 2 of 10 1.0/ 1.0 Points What statement describes X­linked traits? Select all that apply. A. Women can be carriers because they can be heterozygous for the trait B. X­linked traits are more common in men C. Males are never carriers since they only receive one X chromosome D. Males inherit X­linked traits from their fathers E. Women only have to have one affected gene to show the trait Question 3 of 10 1.0/ 1.0 Points If genes are completely linked, all the offspring will be . A.dominant B.hybrids C.parental D.recessive E.recombinants Question 4 of 10 1.0/ 1.0 Points A and Z are independent events. The probability that A occurs is ¼. The probability that Z occurs is ¼. What is the probability that both will occur? A.1/4 B.1/8 C.1/3 D.1/2 E.1/16 Question 5 of 10 1.0/ 1.0 Points In a monohybrid cross from heterozygous parents, of the offspring would be what genotypes?