In the process of cloning cattle, the nucleus of an ovum of cattle A was removed, and the nucleus of ear marginal cell of cattle B (male) was taken out and implanted into the enucleated ovum of cattle A and transplanted into the uterus of cattle C. The cloned cow will be male.

Which of the following is NOT a public consensus A: A woman should have access to abortion or not. B: A female's ovum and a male's sperm are both clearly alive. C: When human personhood starts, the law must protect person. D: A female's ovum and a male's sperm are not yet human persons.

1.toddler age is from what time to what time? A: from delivery to 1 year old B: from 1 to 3 years old C: from fertilized ovum to delivery D: from umbilical ligation to 28thday E: from 6-7 years old to adolescence

体外受精即是将精子和卵子人为控制在体外完成受精过程发育成胚胎，再将胚胎移植给受体母亲，出生婴儿的技术。(In vitro fertilization (IVF) is a technology whereby sperm and ovum are artificially fertilized in vitro to develop into embryos, which are then transferred to the recipient mother to give birth to a baby.)