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attashe74 [19]
2 years ago
10

How does mutation produce genetic variation?

Biology
1 answer:
vichka [17]2 years ago
4 0
My Answer: Mutations produces random changes in an organisms genetic code. Some examples of the changes are: None of the mutations may have a positive, negative nor neutral  effect on the organism. A different organism may be produced. Mutations help organisms better, so that they're able to survive, if mutations do that it is more likely that the organism will survive and pass the mutated gene onto the next generation. 

Hope I helped! :D
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 <span>I is dominant, i is recessive. The A's and B's are just show which allele I is. When there is just one dominant allele, it masks the recessive in blood typing. Remember IA and IB are codominant. 

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Remember: You get one allele from each parent! 

1. Father must be ii, mother must be ii, so all children must be ii. 

2. Father is IAIA (the homozygous one), the mother is IBIB, so the only possibility for the children is IAIB, because you get one allele from the father and one from the mother. 

3. Father is IAi, mother is IBi, so the children can be any of the blood types, because they can have all the combinations of genotypes. 

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5. Father is IAIB, mother is IAIB. Children can be IAIA, IBIB, or IAIB. 

Example of Punnett square: 
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_______IA ____ i 

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Sorry, that was difficult on here, hope it's understandable. 
The father's alleles run across the top, the mother's are on the side, you follow to where they meet to find the possibilities for the children. IBIA (AB blood type), IBi (B), IAi (A), and ii (O) are the possibilities in this case. 

Hope that helps!</span>
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