HELP ABC HELP ME PLEASE can someone please help me with this ?? which the blank spots where it says “there are ___” amount available I was told we can put pretty much any number that works .. it’s just that I don’t know how to do it , please give me some answers ! or at least give one answer and explain it to me, thanks !!!

answer; (phospholipid);

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

the offspring would all be white. if the parents are both white flowers then they have the genotype rr, which when crossed results in an all white punnet square.