Pedigree and Analysis

Front

How many generations are shown in this pedigree?

Back

4

Front

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

Back

2

Front

Is this trait dominant or recessive?

Back

Dominant

Front

Is this trait dominant or recessive?

Back

Recessive

Front

The trait in the pedigree is ...?

Back

dominant

Front

What is the genotype of individual IV – 2?

Back

Hh

Front

If a child shows a recessive disorder, and his brother does not, what are the genotypes of his healthy parents?

Back

Hh and Hh

Front

Examine the pedigree. The allele for the presence of a widow’s peak is dominant. Therefore, we can tell from the chart that in the couple labeled 2:

Back

the male is heterozygous and the female is heterozygous.

Front

What is the genotype of the mother? Hint: Draw a punnett square.

Back

Bb

Front

Generation 2 individuals 5 and 6 are

Back

married.