10.4 Bio

Question 1

What is a chromosomal deletion?

Answer 1

A chromosomal deletion is the loss of a segment of DNA from a chromosome.

Question 2

True or False: A chromosomal duplication results in a chromosome having fewer genes than normal.

Answer 2

False

Question 3

Fill in the blank: Chromosomal __________ is a rearrangement of the chromosome structure where a segment is reversed end to end.

Answer 3

inversion

Question 4

What is a chromosomal translocation?

Answer 4

A chromosomal translocation is the movement of a chromosomal segment from one chromosome to another.

Question 5

Which of the following is NOT a type of chromosomal abnormality? A) Deletion B) Duplication C) Inversion D) Replication

Answer 5

D) Replication

Question 6

True or False: Deletions and duplications can lead to genetic disorders.

Answer 6

True

Question 7

What type of chromosomal abnormality involves the exchange of segments between non-homologous chromosomes?

Answer 7

Translocation

Question 8

Multiple Choice: Which chromosomal abnormality is characterized by a segment being repeated? A) Deletion B) Inversion C) Duplication D) Translocation

Answer 8

C) Duplication

Question 9

Name one potential consequence of chromosomal inversions.

Answer 9

Inversions can lead to infertility or increased risk of miscarriages.