Quiz_3_Answers

Quiz_3_Answers - TT Quiz 3 T FF F Name:_ 1) If an organism...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
F T F T F Quiz 3 Name:_______________________________________________________________ 1) If an organism is a diploid with 18 chromosomes per somatic cell. What would be the somatic chromosome number of: (1 point each) a. a triploid variant of this species? 3n = 3(9) = 27 b. a trisomic variant of this species? 2n+1 = 2(9) + 1 = 19 c. a tetrasomic variant of this species? 2n+2 = 2(9) + 2 = 20 d. a monosomic variant of this species? 2n-1 = 2(9) - 1 = 17 e. What is the number of chromosomes found in the gametes produced by this organism? Because 2n=18, n=9 2) Name a trisomic disorder. (1 point) Down syndrome, Edward syndrome and Patau syndrome Also accepted Klinefelter’s syndrome. Turner’s syndrome is a monosomic disorder. 3) Compare and contrast mitotic nondisjunction and chromosome loss. Feel free to include an illustration of each along with your answer. (5 points) Wanted to see the following in some form: Nondisjunction: trisomic cell and monosomic cell Chromosome loss: diploid (normal) cell and monosomic cell
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

Quiz_3_Answers - TT Quiz 3 T FF F Name:_ 1) If an organism...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online