Question 4 (1 point) Why does Rachel Skinner think delivering the coronavirus vaccine will be a challenge?
b
Needles cannot be used to give people the coronavirus vaccine
It will need to be given to elderly people who have delicate skin,
The microneedle patch still needs to be tested in clinical trials.
Many people will need to be vaccinated in a short period of time,
Od

I believe the answer is D.

Explanation:

I believe the biggest challenge will be getting everyone vaccinated and in a short period of time.

explanation:

mitosis is used to produce daughter cells that are genetically identical to the parent cells. the cell copies - or 'replicates' - its chromosomes, and then splits the copied chromosomes equally to make sure that each daughter cell has a full set.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.