Variation of chromosome structure

Question 1

variations in chromosome structure are important for

Answer 1

evolution, result in the production of abnormal offspring, may alter phenotype of an organism

Question 2

non-allelic homologous recombination between repetitive sequences can cause genetic diseases in humans. the disease are caused by

Answer 2

changing the copy number of important genes and deletion of important genes

Question 3

which of the following expression denotes an organism with a genome 2n+1?

Answer 3

trisomic

Question 4

2n-1

Answer 4

monosomy

Question 5

3n

Answer 5

triploid

Question 6

4n

Answer 6

tetraploid

Question 7

failure of chromosomes to separate during cell division

Answer 7

nondisunction

Question 8

which of the following describes an organism that has two complete sets of chromosomes from different species combined within a single species

Answer 8

allotetraploid

Question 9

two non-homologous chromosomes swap a segment of dna by recombination what has occurred

Answer 9

a reciprocal translocation

Question 10

one way transfer

Answer 10

simple translocation

Question 11

which allopolypoid plant is major impotance to washington is a vigours hexaploid species that combine the genomes of 3 different original species

Answer 11

triticum aestivum (bread wheat)