Karyotypes and Pedigrees

Determine the sex of the individual whose karyotype is displayed in the image.

• female
• male

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

What makes this individual's karyotype not normal?

• An extra sex chromosome
• An extra autosome
• A missing sex chromosome
• A missing autosome

Down's syndrome occurs because of a(n)

• missing sex chromosome
• extra sex chromosome
• additional 21st chromosome
• additional 18th chromosome

Tags

NGSS.HS-LS3-1

Chromosome pairs 1-22 are referred to as

• sex chromosomes
• sister chromatids
• a karyotype
• autsomes

A picture of paired chromosomes is a

• sister chromatid
• centromere
• syndrome
• karyotype

What is this?

• Pedigree
• Karyotype
• Venn diagram
• Punnett Square

Tags

NGSS.HS-LS3-1

What do we use pedigrees for?

• To look at families
• To make determinations about the offspring
• To track traits in families
• Nothing

In a pedigree, what shape represents a male?

• circle
• square
• triangle
• diamond

How many generations are shown in this pedigree?

• 1
• 2
• 3
• 4