Karyotypes and Chromosomal Abnormalities

The structure that holds two sister chromatids together until they separate for cell division is called a...

• chromosome

• chromatin

• centromere

• centriole

Tags

NGSS.HS-LS1-4

A pair of identical chromosomes shown in a karyotype, one inherited from mom, and one inherited from dad are called....

• sister chromotids

• centromeres

• homologous chromosomes

• autosomes

Tags

NGSS.HS-LS3-1

A photograph or picture of chromosomes grouped in ordered pairs is called a.....

• Pedigree

• Chromosome chart

• Mitotic index

• Karyotype

What is the gender of the individual whose karyotype is seen in the image?

• 
• 

Tags

NGSS.HS-LS3-1

In a human karyotype the 'X' and 'Y' chromosomes determine the sex of the offspring. Which of the following two statements are true?

• Girls are XX

• Boys are YY

• Girls are YY

• Boys are XY

• Girls are XY

Tags

NGSS.HS-LS3-1

How is the number of chromosomes counted?

• By the number of chromatids

• By the number of centromeres

• By the number of homologous chromosomes

• By the number of genes

What is the gender of the individual whose karyotype is seen in the image?

• Male
• Female

The doctors use karyotypes to examine the chromosomes. A karyotype is a picture of all the chromosomes in a cell.

• True
• False

What would indicate a normal human male?

• XX
• X
• XY
• XXY

Which statement is NOT true about Karyotypes

• Chromosomes (pairs 1-22) are arranged by size
• Sex chromosomes are found at the end
• A normal karyotype has 46 chromosomes or 23 pairs
• Having missing or extra chromosomes does not indicate a disorder