Pedigrees

How many alleles does a person carry for a trait?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

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

Dominant alleles are represented by a ---

• capital letter

• lowercase letter

In a heterozygous genotype, the _____ allele takes over in the phenotype.

• recessive

• dominant

• both

What is expressed in an organism is 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

Tags

NGSS.HS-LS3-1

In a pedigree, which shape represents a male?

• circle

• square

Which sex 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.

Tags

NGSS.HS-LS3-1

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

• not affected male.

• not affected female.

• affected male.

• affected female.