Answer: a line connecting her mother and father, a colored circle representing Jenna, and two empty circles representing her sisters
Explanation: Jenna's red hair can be determined by incomplete dominance.
Incomplete dominance is a condition where neither of the alleles responsible for a trait is dominant.
In incomplete dominance, one allele for a specific trait is not completely expressed over its paired allele. So, if an organism is heterozygous for a trait, it shows a third phenotype.
Pros:
Increase in safety.
Less traffic.
Reduced emissions.
Cons:
Eye-contact
Judgement Calls
Snow
Legal Responsibility
Cost
Lack of Trust
<u>There are many more, these are just a few.</u>
I believe the answer to this is B