The correct answer is random fertilization.
Together with crossing over and independent assortment, random fertilization represents the way by which sexually reproduction contributes to genetic variation. <span>Random fertilization refers to the random event of fertilization when there is no way in knowing which sperm will fertilise which egg (64 trillion possible combinations of genes that can occur during fertilization). Any sperm cell from the male can fuse with any egg cell from the female.</span>
Answer:
For part A answer is,
=5.04 x 10^7 % which means that all the humans will be affected.
For Part B,
Time required is = 529.649 Years seconds.
Explanation:
See attachment for detailed explanation.
The main responsible for the delay among the atrial and
ventricular contractions is the action potential conduction velocity of the AV
node cells. If the atria and ventricles contract simultaneously, atria cannot
give any help in filling the ventricles, which is needed, especially in those
with stiff ventricles as in the elderly. Hence atria have to contract first and
then the ventricles.
<span>Which type of gland produces hormones? which type of gland produces hormones? unicellular exocrine glands halocline glands endocrine glands multicellular exocrine glands?
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