B cells, helper T cells, and cytotoxic T cells are involved with __ immunity. Multiple choice question.
cross out
A)
nonspecific
cross out
B)
hormonal
cross out
C)
genetic
cross out
D)
specific

In celery the leaves can be curly or straight, curly is dominant over recessive. ll = curly , ll= straight. the other trait is spot on the leaves. dark greens spots are dominant over white spots. use gg for dark green, and gg for white. this is a dibybrid cross. cross two heterozygous plants