Beacuse they died long time ago
Answer:
Certainly more than that.
Explanation:
Answer:
<u>Two different alleles come together and produce both trait forms</u>. Two different alleles come together and produce a trait form that is neither dominant nor recessive. a chromosome that determines the X or Y of an organism.
The horsehoe crab because it was one of the first animals to ever live on earth
Answer:
I believe the answer to this question is “expectorants”.
I hope this helps.