Once a pollen grain lands on the stigma, a(n) is produced that grows down the style and into the ovary.
a. pollen tube
b. endosperm
c. conjugation tube
d. hilum

Monitor and apply fix up stratorgies

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?