Pedigrees

What do we use pedigrees for?

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

Tags

NGSS.HS-LS3-2

In a pedigree, which shape represents a male?

• circle

• square

Which gender has an X and a Y chromosome?

• male

• female

On a pedigree, this symbol represents a ---

• not affected female.

• not affected male.

• affected male.

• affected female.

On a pedigree, this symbol represents a ----

• not affected male.

• not affected female.

• affected male.

• affected female.

How many individuals are there in the 3rd generation?

• 1

• 2

• 4

• 6

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

How are individuals III-2 and II-4 related?

• Brother and sister

• Dad and daughter

• Uncle and niece

• Grandfather and granddaughter

Tags

NGSS.HS-LS3-1

In the second generation of this pedigree, how many people are carriers of the trait? *Remember: a carrier does not have the disorder/disease, but can pass it on to his/her children.

• 1

• 2

• 3

• 5

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many kids did the mother and father from the first generation have?

• 2
• 4
• 5
• 6

How many generations are shown in this pedigree?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-LS4-1