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dlinn [17]
3 years ago
15

Help! i what are 3 bacteria that have a positive effect on humans?

Biology
1 answer:
Dmitry_Shevchenko [17]3 years ago
5 0
E.Coli used in digestion , Streptococcus Thermophilus used in production of milk and yogurt and Lactobacillus Salivarus inhibits the growth of ' bad ' bacteria in the mouth by producing lactic acid .
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Polydactyly is a trait found in cats and humans in which a person (or cat) has 6 digits per
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1/2 or 50%

Explanation:

This question involves a single gene coding for the number of digits per paw in cats or humans. The allele for polydactyly i.e six digits (P) is dominant over the allele for normal number of digits i.e 5 (p).

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