Question

55. Chromosomes do not separate correctly during anaphase, resulting in 1 or 3 chromosomes rather than

2 per cell is called.
a. Duplication
b. Nondisjunction
c. Translocation
56. Choose the best word to fill in the blank. Often one's determines one's position in life.
a. extraction
b. pedigree
c. ineptness
d. calculation
57. When pieces of non-homologous chromosomes exchange segments (during crossing over) is called
a. Duplication
b. Nondisjunction
c. Translocation
58. What happens to a change in a DNA sequence?
a. Mutation
b. Somatic mutations
c. Mutagens
59. What term refers to a family tree that shows the relationships of parents and children to one another
across generations?
a. pedigree
b. genotype
c. phenotype

Answer 1

"Nondisjunction" in meiosis II results from the failure of the sister chromatids to separate during anaphase II.