Answer:
6 days
Explanation:
once the embryo reaches the Blastocyst stage, approximately 5-6 days after fertilization, it hatches out of it's zona pellucida and begins the process of implantation in the uterus.
ANSWER - B
<span>In the year 1986, the Health Resources and Services Administration (HRSA), a division of the </span>Department of Health and Human Services (<span>DHHS), contracted with the United Network for </span>Organ<span> Sharing (</span>UNOS) to maintain the Organ Procurement and Transplantation Network (OPTN) which established t<span>he rules for organ allocation.</span>
401 deductions
Dependent deductions