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Grade 7
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Reading Pedigree Charts
Worksheet
Grade Level
Grade 7
7.50 Reading Pedigree Charts
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Skill Level
🔴 Hard
00:00
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25% to Medium
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Why can basic pedigree charts not identify every carrier with certainty when only affected and unaffected symbols are shown?
A
Because an unshaded person may have either one or zero recessive alleles
B
Because pedigree charts cannot include more than two generations
C
Because recessive alleles are not inherited
D
Because carriers always become affected later
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