NSG 530 Exam 1 Questions And
Answers
Interphase - Correct Answer - cell feeds, metabolizes and grows while replicating DNA
q q qq q q q q q q q q q
in preparation for mitosis
q q q q
Prophase - Correct Answer - first appearance of chromosomes (will be 92)
q q qq q q q q q q q q
Metaphase - Correct Answer - Centrioles pull chromosomes to opposite sides of cell
q q qq q q q q q q q q q
(chromatid) - 46 each side
q q q q q
Anaphase - Correct Answer - Centromeres split and sister chromatids are pulled apart
q q qq q q q q q q q q q
Telophase - Correct Answer - New nuclear membrane formed around each group of 46
q q qq q q q q q q q q q q
chromosomes *When it goes right, euploid cells are produced*
q q q q q q q q q
Nondisjunction - Correct Answer - Error in meiosis in which homologous chromosomes q q qq q q q q q q q q
fail to separate.
q q q
Polyploidy - Correct Answer - condition in which an organism has extra sets of
q q qq q q q q q q q q q q
chromosomes
q
Triploidy - Correct Answer - when an organism has three copies of every chromsome
q q qq q q q q q q q q q q
instead of two
q q q
Tetrapoloidy - Correct Answer - euploid has 92 chromosomes and fetus usually does not
q q qq q q q q q q q q q q
survive
q
Huntington's disease - Correct Answer - Single gene disorder (trinucleotide repeat
q q q qq q q q q q q
mutation)
q
Autosomal dominant (50% chance of passing it on)q q q q q q q
Progressive neurologic disease with late onset (40s) q q q q q q
Prevention- genetic testing for pregnancy planning q q q q q
Cystic fibrosis - Correct Answer - Single gene disorder (CFTR gene mutation)
q q q qq q q q q q q q
Autosomal recessive q
Most common in white children
q q q q
Defective transport of chloride ions cause salt imbalance- thickened secretions,
q q q q q q q q q
digestive issues, malnutrition. Males and females
q q q q q q q
Must inherit two copies of gene (1 from each parent)
q q q q q q q q q
Answers
Interphase - Correct Answer - cell feeds, metabolizes and grows while replicating DNA
q q qq q q q q q q q q q
in preparation for mitosis
q q q q
Prophase - Correct Answer - first appearance of chromosomes (will be 92)
q q qq q q q q q q q q
Metaphase - Correct Answer - Centrioles pull chromosomes to opposite sides of cell
q q qq q q q q q q q q q
(chromatid) - 46 each side
q q q q q
Anaphase - Correct Answer - Centromeres split and sister chromatids are pulled apart
q q qq q q q q q q q q q
Telophase - Correct Answer - New nuclear membrane formed around each group of 46
q q qq q q q q q q q q q q
chromosomes *When it goes right, euploid cells are produced*
q q q q q q q q q
Nondisjunction - Correct Answer - Error in meiosis in which homologous chromosomes q q qq q q q q q q q q
fail to separate.
q q q
Polyploidy - Correct Answer - condition in which an organism has extra sets of
q q qq q q q q q q q q q q
chromosomes
q
Triploidy - Correct Answer - when an organism has three copies of every chromsome
q q qq q q q q q q q q q q
instead of two
q q q
Tetrapoloidy - Correct Answer - euploid has 92 chromosomes and fetus usually does not
q q qq q q q q q q q q q q
survive
q
Huntington's disease - Correct Answer - Single gene disorder (trinucleotide repeat
q q q qq q q q q q q
mutation)
q
Autosomal dominant (50% chance of passing it on)q q q q q q q
Progressive neurologic disease with late onset (40s) q q q q q q
Prevention- genetic testing for pregnancy planning q q q q q
Cystic fibrosis - Correct Answer - Single gene disorder (CFTR gene mutation)
q q q qq q q q q q q q
Autosomal recessive q
Most common in white children
q q q q
Defective transport of chloride ions cause salt imbalance- thickened secretions,
q q q q q q q q q
digestive issues, malnutrition. Males and females
q q q q q q q
Must inherit two copies of gene (1 from each parent)
q q q q q q q q q