Both are 50%, this is because Rr is dominant in a purple stem and rr is recessive in a green stem. By crossing these plants Rxr= Rr and rxr= rr.
2.0 because 2.05 is about two and a half where as 2.0 is considered to be a whole number , hope this helps
It originally cme form the rocks
hormones can stimulate cell regulators to increase cell reproduction. Thus option C is correct.
<h3>what are the role of hormones in reproduction ?</h3>
Hormones are the chemical messengers produced by the endocrine cells and it move through the blood, act on target cells.
The two most important reproductive hormones are estrogen in female and testosterone in male.
Estrogen induce the eggs development and maturation process in adult female and released during regular intervals of menstrual cycle.
Testosterone in male responsible for male gamete production.
Other hormones involved, such as Follicle stimulating hormone (FSH), Luteinising hormone (LH).
Thus option C is correct.
Learn more about hormones, here:
brainly.com/question/13260616
#SPJ1
