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This cross AO X BO, would yield that genotype.

This cross, AA X BO, would not yield BO. AO X BB would not do it either.

So, I assume only AO ( and, from the info given, BO ) is possible for mom.

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13y ago

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How does natural selection act on the phenotype of an organism?

The phenotype of organisms determines the way they interact with one another and with their environment. The way organisms interact with one another and with their environment determines how well each organism is able to compete for resources and mates - what the chances are of that organism successfully raising fertile offspring, in other words. Such offspring will likely carry the genes that give them their parent's successful phenotype. So over the generations, the genes that produce such successful phenotypes will become more numerous in the population, causing a shift in the average of phenotypes towards this successful phenotype.


Can your sister and you have different dads if you have A blood and she has O blood?

Yes, it is possible for siblings to have different biological fathers, known as heteropaternal superfecundation, leading to different blood types. Each parent contributes one blood type allele, which can result in different blood types among siblings.


What was isaac newtons dads occupation?

His mother was a paster. his father a prostitute.


What was Ares dads name?

The father of the Greek god Ares was Zeus. His mother was Hera.


How likely a niece could look like a uncle when uncle does not have same father as her mother?

The relationships here are not at all clear, but even if they were of crystalline clarity it's all but impossible to predict how likely it is that someone will "look like" someone else. Keeping that in mind: I'm assuming that the uncle here is the mother's (half-)brother; they have the same mother but different fathers. In that case, they'd on average be expected to share 25% of their genotype, and therefore the genotypes of the uncle and the niece would be 12.5% (1/8th) similar. That may not be a great predictor of "looks like", but I think it's probably the sort of number you were looking for. It would hardly be surprising for them to share a few similar features. Keep in mind that those are AVERAGES. It's possible (but unlikely) for siblings to have genotypes that are significantly more or less similar than 50%, so it's theoretically possible that the uncle and niece could share a full quarter of their genotype (and that's assuming the various dads involved are aliens or something and had no genes in common with anyone else in the family).