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WorksheetsPedigrees and Inheritance
Total questions: 13
Worksheet time: 19mins
What is the purpose of pedigrees?
To track traits in a family
To make determinations about offspring
To observe a family tree
Pedigrees are not particularly usefule
How many generations are shown in this pedigree?
1
2
3
4
What does an open/unshaded circle represent?
not affected male
affected male
not affected female
affected female
What does a filled square represent?
not affected male
affected male
not affected female
affected female
The physical characteristics or expression of a gene is referred to as what?
genotype
phenotype
allele
pedigree
The genotypes AA and Aa create the phenotype that is
dominant
recessive
The genotype aa creates the phenotype that is
dominant
recessive
Based on the pedigree shown, is the trait shown dominant or recessive?
dominant
recessive
How can pedigrees reveal a traits heredity? For example, what do we know about albinism and how it is passed on based on the pedigrees you have seen?
If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?
HH
Hh
hh
What is the genotype of both great-grandsons? (Individuals 13 and 16)
AA
Aa
A_
aa
