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What are the ethical concerns of using CRISPR?

If CRISPR is used to edit embryos or egg and sperm cells, the future generations are going to be affected as well. This is the biggest ethical concern regarding gene editing. As a result, the entire human species can be born with signs of gene modification procedures.

Ethical Concerns of CRISPR [Cons] Changes to the Germ-line Cells: Genetically modifications to human embryos and reproductive cells such as eggs and sperms are called germline editing. Changes to the germline can be passed to the next generation.

answer; the correct answer is desert plants;

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.