Chromosomal Mutations and Genetic Disorders
Authored by Mary Berry
Biology
Professional Development
NGSS covered
Used 64+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is nondisjunction?
A chromosomal mutation involving the loss of a segment of a chromosome
A condition in which an individual has an extra copy of a specific chromosome
A genetic disorder characterized by intellectual disability and distinct facial features
A genetic event during cell division when chromosomes fail to separate properly
Answer explanation
Nondisjunction is a genetic event during cell division when chromosomes fail to separate properly.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is trisomy?
A chromosomal mutation involving the loss of a segment of a chromosome
A condition in which an individual has an extra copy of a specific chromosome
A genetic disorder characterized by intellectual disability and distinct facial features
A genetic event during cell division when chromosomes fail to separate properly
Answer explanation
Trisomy is a condition where an individual has an extra copy of a specific chromosome. It is a chromosomal mutation involving the presence of an additional chromosome.
Tags
NGSS.HS-LS3-2
NGSS.HS-LS3-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is monosomy?
A condition in which an individual has an extra copy of a specific chromosome
A genetic disorder characterized by intellectual disability and distinct facial features
A genetic event during cell division when chromosomes fail to separate properly
A condition in which an individual is missing one copy of a specific chromosome
Answer explanation
Monosomy is a condition where an individual is missing one copy of a specific chromosome.
Tags
NGSS.HS-LS3-2
NGSS.HS-LS3-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Barr body?
A genetic event during cell division when chromosomes fail to separate properly
An inactivated X chromosome in the cells of females
A condition in which an individual has an extra copy of a specific chromosome
A chromosomal mutation involving the loss of a segment of a chromosome
Answer explanation
A Barr body is an inactivated X chromosome in the cells of females.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Down syndrome?
A genetic event during cell division when chromosomes fail to separate properly
A genetic disorder characterized by intellectual disability and distinct facial features
A condition in which an individual has an extra copy of a specific chromosome
A chromosomal mutation involving the loss of a segment of a chromosome
Answer explanation
Down syndrome is a condition where an individual has an extra copy of a specific chromosome. It is characterized by intellectual disability and distinct facial features.
Tags
NGSS.HS-LS3-2
NGSS.HS-LS3-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What causes Down syndrome?
The presence of an extra copy of chromosome 21
A genetic disorder characterized by intellectual disability and distinct facial features
A chromosomal mutation involving the loss of a segment of a chromosome
A genetic event during cell division when chromosomes fail to separate properly
Answer explanation
Down syndrome is caused by the presence of an extra copy of chromosome 21, leading to a genetic disorder characterized by intellectual disability and distinct facial features.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can Down syndrome be detected before birth?
Through non-invasive tests like maternal serum screening and ultrasound
Through genetic testing after birth
Through physical examination of the newborn
Through a chromosomal mutation involving the loss of a segment of a chromosome
Answer explanation
Down syndrome can be detected before birth through non-invasive tests like maternal serum screening and ultrasound.
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