Answer:
The Principle of Independent Assortment describes how different genes independently separate from one another when reproductive cells develop. ... During meiosis, the pairs of homologous chromosome are divided in half to form haploid cells, and this separation, or assortment, of homologous chromosomes is random.
Explanation:
1) notochord
2) a nerve chord
3) slits in throat area
Answer:
B. a nonspecific defense against infection
Explanation: