A series of hamster crosses are performed to get an insight into the mode of inheritance of
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Question:
A series of hamster crosses are performed to get an insight into the mode of inheritance of three coat colors: plain brown, plain beige, and patchy brown. Note that not all the parents were pure-breeding. Propose a mode of inheritance for coat color in hamsters, using symbols of your own choosing to identify genes and alleles.
Cross | Parents phenotypes | F1 phenotypes |
---|---|---|
1. | Plain brown xx plain brown | 14 plain brown |
2. | Plain beige xx plain beige | 12 plain beige |
3. | Patchy brown xx patchy brown | 6 patchy brown, 3 plain brown |
4. | Plain brown xx plain beige | 13 plain brown |
5. | Patchy brown xx plain brown | 6 plain brown, 7 patchy brown |
6. | Plain beige xx patchy brown | 7 plain brown, 3 patchy brown, 3 plain beige |
7. | Plain beige xx plain beige | 9 plain beige |
8. | Plain brown xx plain brown | 10 plain brown, 3 plain beige |
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