Human Pedigrees

How many alleles does a child get from each parent for a trait?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Aa, DD, Bb, yy are all examples of ---

• genotypes.

• phenotypes.

What you see, or the physical appearance of an organism, is called the ---

• genotype.

• phenotype.

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, 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 male.

• not affected female.

• affected male.

• affected female.

Tags

NGSS.HS-LS3-1

How many individuals are there in the 3rd generation?

• 1

• 2

• 4

• 6

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

NGSS.HS-LS3-2

What is the mode of inheritance shown here?

• Recessive because it "skips" a generation

• Dominant because it shows up in every generation

Tags

NGSS.HS-LS3-1