Question

13. A man with blood group A marries a woman with blood group O and their daughter
has blood group O. Is this information enough to tell you which of the traits - blood
group A or 0 - is dominant? Why or why not?
with punet square ​

Answer 1

Answer:

The give information is not enough to tell us which of the traits – blood group A or O – is dominant. In blood heredity, blood Type A is always dominant and blood Type O is always recessive. Here, father's Blood group can be AA (homozygous) or AO (heterozygous) genotypically, where as that of mother can be OA or OO.

HOPE IT'S HELP YOU

Answer 2

Answer:

The give information is not enough to tell us which of the traits – blood group A or O – is dominant. In blood heredity, blood Type A is always dominant and blood Type O is always recessive.