Manuel and Maria are heterozygous for wiggling their ears. They have a son named Mario, who cannot wiggle his ears. Manuel thinks this is not his son. Is it possible for Mario to be Manuel’s son? Explain with a Punnett Square.

Question

Manuel and Maria are heterozygous for wiggling their ears.  They have a son named Mario, who cannot wiggle his ears.  Manuel thinks this is not his son.  Is it possible for Mario to be Manuel’s son?  Explain with a Punnett Square.

emilee02 · Answer

ok im helping

emilee02 · Answer

one sec

emilee02 · Answer

yes because its a 50 50 chance so it is his son

mathmate · Answer

Since both Mario and Maria are heterozygous, and from the context, I interpret that Mario and Maria both can both wiggle their ears.  I then conclude that the allele W is dominant.
Can you draw the Punnett diagram for possible offsprings of Mario and Maria, and locate where Manual is situated, if applicable?