Answer:
considering the straight allele is dominant then the curved thumb allele must be recessive. so,if someone has two recessive alleles they will express that characteristic. Therefore, the person's thumbs would be curved
Answer: D
Explanation:
Red Blood Cells live about 120 days; ≈3 months. And obviously the first 2 are correct
Answer: c (HIV)
Explanation: Skin cancer, heart disease, and diabetes cannot be passed down unless it's hereditary though HIV being a sexually transmitted disease should be reported for that reason.
The technology can help scientists study or look at cells, which in turn can let those scientists figure out if a cell is infected with a virus, or if it's a mutated cell that might cause a disease.
