Page 39 - CB1.3 Genetic Varation sciPAD
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CB 1.3 GENETIC VARIATION
TRACKING GENES
4. A guinea pig is hairless, but both of its parents have normal hair. Complete the Punnett
square to show how this is possible.
5. Use a Punnett square to show how two hairless guinea pigs cannot produce a normal-haired
offspring.
6. Use a Punnett square to show how two pure-bred normal-haired parents cannot produce
hairless offspring.
Genotypic ratio of the offspring:
Phenotypic ratio of the offspring:
Genotypic ratio of the offspring:
Phenotypic ratio of the offspring:
Genotypic ratio of the offspring:
Phenotypic ratio of the offspring:
Parents’ genotypes: and
Parents’ genotypes: and
Parents’ genotypes: and
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