If both of Lisa's parents have attached ear lobes, then
No. This is erroneous. Check out this website: http://udel.edu/~mcdonald/mythintro.html And here it the specifics about earlobes: http://udel.edu/~mcdonald/mythearlobe.html
attached earlobes is a recessive trait. so both her parents have to be homozygous recessive. so can u write the genotype of parents and try the punnett square?
but to be precise...earlobe is not dependent on single gene..
It is pretty sad how many Biology books still list these false mendelian genes in humans.
No, the child will have attached earlobes. If a parent has attached earlobes and the child has hanging, then the mothers been a bit naughty.
@munna14 This is not true, but for the question it is okay.
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