Answer:
the third one
Explanation:
physical change is only on looks
Answer: I'm sure it's genetic engineering
Explanation:
The answer is 50%.
This is an example of Mendelian monohybrid cross:
Parents: rr x Rr
Offspring: Rr Rr rr rr
So, in this cross, 2 out of 4 offspring will be heterozygous (Rr), and other 2 out of 4 (which is 50%) offspring will be recessive homozygous (rr) and will have freckles.