Explain fertilization process from the cellular level to fetus

When life begins Explain the following concepts:
Asexual – sexual reproduction.
Mitosis – Meiosis
Diploid – Haploid
Embryo – Fetus

1) Explain fertilization process from the cellular level to fetus (as per video time 1:08:00)

2) After learning about the fertilization process, and according to nature and objectively, and scientifically speaking, when does human life begin? Why?

3) Read and summarize Ethical and Religious Directives for Catholic Health Care Services (ERD) PART FOUR Introduction.

1. At least 250 words, and phrases should be clear and concise without improper grammar, punctuation, and misspelling.

2. Formatted and cited in current APA style with support from at least 2 academic sources.

3. Acceptable references include scholarly journal articles or primary legal sources (statutes, court opinions), journal articles, and books published in the last five years.

4. The paper should follow this setting:

An introduction that contains an overview of the topic then recall and announce the paragraphs.

The body (development) should introduce and elaborate the point of the paragraph with supporting details or evidence following a closing statement of each paragraph.

A conclusion should include a strong statement that ties together the main points of the paper.