Which type of cell starts to develop about 17 days after fertilization? a. heart b. eye c. kidney d. liver

A.Heart

Explanation:

A fertilization is a process in which a male gamete is  sperm  meet with a female gamete is an egg  in a uterus of female body.After fertilization , it form zygote.

Zygote: It is formed when male gamete combine to female gamete in a fertilization process.

After formation of zygote then the zygote develops into the embryo.

During development of embryo, a cell starts to develop about 17 days after  fertilization is heart.. A heart is the first organ which developed first after fertilization. Then other organ develops of an embryo.

Therefore, heart starts to develop about 17 days after fertilization .

Hence, option A is true.

Eye is developed after developing of heart. Therefore, option B is false.

Kidney is not developed about 17 days after fertilization . Hence, option C is false.

Liver is not developed first after fertilization .Therefore, option D is false.

a few examples of ethical concerns involving genetically engineering of humans include

-privacy of genetically tested people

- potential side effects

-long term effects

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