When more than one variable changes during a scientific experiment,
A.
the outcome of the experiment may not be linked to any one specific variable.

B.
the outcome of the experiment is linked to the variable that changes last.

C.
the outcome of the experiment is linked to the variable that changes the most.

D.
the outcome of the experiment is linked to the variable that changes first.

youre right there are

b ti isnfornopgnoernfrof

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )

you know they are heterozygous for a trait because they have it as jj or jj.