Not sure what the following is, but I think it could be less carbon in the soil
Answer:
The sex chromosomes, X and Y.
Explanation:
If it is sex linked, it is passed on when the parent donates their X or Y chromosome to their offspring. "Sex-linked" means that depending on the biological sex of the offspring, it may or may not carry the gene for the trait.
Answer: D. Passed on from parent to offspring
Not necessarily, unless the person or the person's family has a medical condition that would put them at risk.