13.3 Lesson

Multiple Choice

Polyploidy is the result of what?

• Loss of genetic material
• Random mutations in DNA
• Fusion of different species' chromosomes
• Duplication of entire sets of chromosomes

Multiple Choice

Trisomy is what?

• A condition with two copies of a chromosome.
• A type of cancer affecting chromosomes.
• A genetic disorder caused by environmental factors.
• A genetic condition with three copies of a chromosome.

Multiple Choice

Monosomy is what?

• Monosomy is a type of genetic mutation that affects protein synthesis.
• Monosomy refers to the duplication of a chromosome.
• Monosomy is a condition with an extra chromosome.
• Monosomy is a genetic condition characterized by the absence of one chromosome from a pair.

​Autosomes- body cells- chromosome pairs 1-22

Multiple Choice

A condition like Down Syndrome (Trisomy 21) has how many chromosomes?

• 46 chromosomes
• 48 chromosomes
• 45 chromosomes
• 47 chromosomes

​Sex chromosomes- pair 23

​Trisomy 21- three of chromosome 21

​Trisomy 18- three of chromosome 18

​Trisomy 13- three of chromosome 13

Monosomy 7- only one chromosome 7

Multiple Choice

Conditions with a missing sex chromosome are considered?

• Chromosomal abnormalities
• Developmental delays
• Hormonal imbalances

Multiple Choice

Autosomes are what kind of cell?

• Autosomes are reproductive cells.
• Autosomes are nerve cells.
• Autosomes are somatic/body cells.

• Autosomes are blood cells.