would not accept my question the way I stated it, so I took a screenshot of it. Can someone please answer it for me and explain it?

Suppose A is the dominant allele and a is the recessive allele. the homofzygous dominant genotype will be AA and the fheterozygous will be Aa.

Let's make the Punnet square and we find the combinations of alleles deriving from the crossing:

AA, AA, Aa, Aa

The probability of having a homofzygous recessive child is therefore 0%

d. sodium chloride ions.

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.