U6.L3-Karyotypes

What is abnormal about the karyotype for an individual with Edward's Syndrome?

• There is a trisomy 18.

• There is a monosomy 21.

• There is a trisomy 13.

• There is a normal karyotype.

What is the karyotype notation for Turner's Syndrome?

• XX

• XY

• XO

• YY

What does a normal human karyotype look like?

• 44 chromosomes, including 22 pairs of autosomes and 2 pairs of sex chromosomes.

• 46 chromosomes, including 22 pairs of autosomes and 1 pair of sex chromosomes.

• 48 chromosomes, including 24 pairs of autosomes and 2 pairs of sex chromosomes.

• 46 chromosomes, including 23 pairs of autosomes and 1 pair of sex chromosomes.

What does it mean if a karyotype shows a monosomy?

• It means there is an extra chromosome in a pair.

• It means there is a missing chromosome in a pair.

• It means there is a complete set of chromosomes present.

• It means there is a duplication of a chromosome.

What is the karyotype notation for Down Syndrome?

• Trisomy 21

• Monosomy 21

• Trisomy 18

• Trisomy 13

What is the difference between autosomes and sex chromosomes?

• Autosomes are sex chromosomes (pairs 1-22), while sex chromosomes are non-sex chromosomes.

• Autosomes are non-sex chromosomes (pairs 1-22), while sex chromosomes determine the sex (XX or XY).

• Autosomes determine the sex (XX or XY), while sex chromosomes are non-sex chromosomes (pairs 1-22).

• Autosomes and sex chromosomes are the same, both determining genetic traits.

What is the karyotype notation for a normal female?

• 45, XX

• 46, XY

• 46, XX

• 47, XX

What is the karyotype notation for a normal male?

• 45, XY

• 46, XX

• 46, XY

• 47, XY

What is the term for having only one copy of a chromosome instead of the normal two?

• Monosomy

• Trisomy

• Polyploidy

• Aneuploidy

What is a karyotype?

• A visual representation of an individual's chromosomes, arranged in pairs.

• A type of genetic mutation that affects chromosome structure.

• A method for measuring the length of DNA strands.

• A technique used to clone organisms.