No their babies won't look alike.
<h3>Explanation:</h3>
Both the couples mentioned here i.e. Sally - Harry and Emily - Ken are both identical twins. So they have similar pairs of genetic setup. This was possible because they developed from same zygote.
But during gametogenesis, crossing over and independent assortment occurs which brings about variation in genetic setup among the offspring. And it's very less probable that same crossing over will occur between the gametes of these couples. So, their offsprings won't look same.
Answer : B) The rate of growth will slow down by 2100.
It had been reported by the UN that the population will continue to grow worldwide, and come to a halt by 2100.
D
Just double the amount of bacteria.
1024 * 2 = 2048
It would be best to ask a professional on the subject.
Essential amino acids are amino acids that must be supplied to one's body by their diet because they cannot be synthesized from scratch.