Pedigree Charts

Front

In the second generation, how many people are carriers of the trait?

Back

3

Front

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

Back

Uncle and Niece

Front

If this pedigree shows a recessive disorder, what MUST the genotype of individual II-3 be?

Back

hh

Front

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

Back

4

Front

Which individual in the first generation is a carrier?

Back

The male

Front

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

Back

2

Front

In a pedigree, what shape represents a male? Options: circle, square, triangle, diamond

Back

square

Front

Is this trait (the shaded individuals) dominant or recessive?

Back

recessive

Front

How many alleles (letters) do each person carry for a trait?

Back

2

Front

In this pedigree, the shading represents people in the family with dark hair while the unshaded represents blondes. Is dark hair controlled by a dominant or recessive allele?

Back

Dominant