WorksheetsPedigree Analysis
Total questions: 20
Worksheet time: 22mins
TT
How many alleles does a person carry for a trait?
1
2
3
4
How many alleles does a child get from each parent for a trait?
1
2
3
4
This pedigree represents the inheritance of hemophilia in this family. How many of the males have the hemophilia trait?
8
5
2
3
What type of heredity is shown in the pedigree?
Sex-Linked Dominant
Sex-Linked Recessive
Autosomal Dominant
Autosomal Recessive
If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?
HH
Hh
hh
The pedigree is showing a _____________ trait.
autosomal dominant
autosomal recessive
sex linked recessive
This is a __ trait.
autosomal recessive
sex-linked recessive
autosomal dominant
Assuming a trait is AUTOSOMAL DOMINANT, what genotypes could make a person AFFECTED?
AA
Aa
aa
XAY
XaY
Assuming a trait is AUTOSOMAL DOMINANT, what genotype would make a person UNAFFECTED?
AA
Aa
aa
XAY
XaY
Assuming a trait is X-LINKED RECESSIVE, what are the genotypes of an UNAFFECTED person?
XAY
XaY
XAXA
XAXa
XaXa
