The answer tot his question is:
<span>Fill in the blank.
</span>A scientific ___________ is a proposed explanation that can be tested."<span>Scientific Theory."
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Jaylamariejohsov5zsb
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Answer:
In explanation.
Explanation:
Gregor Mendel formulated his laws of heredity in 1860 before...
-The structure of DNA was known, the existence of chromosomes and genes were known and the mechanisms which create variation in offspring were known.
If your quiz is like this:
Question: Gregor Mendel formulated his laws of heredity in 1860 before ________.
A). The structure of DNA was known.
B). The existence of chromosomes and genes was known.
C). The mechanisms which create variation in offspring were known.
D). All of the choices above are correct.
E). An understanding of mitosis and meiosis was known.
The correct answer is the "D" because yes after Gregor Mendel formulated his laws of heredity in 1860 the structure of DNA was known, the existence of chromosomes and genes were known and the mechanisms which create variation in offspring were known. (Referring that A, B, and C are correct).
Hope this helps.
Animal cloning offers great benefits to consumers, farmers, and endangered species: Cloning allows farmers and ranchers to multiply the reproduction of their productivity of livestock in order to produce safe and healthy food for the community. Cloning can be used to protect endangered species. For example, in China, panda cells are being kept on reserve should this species' numbers be threatened by extinction.
Hope this helped darling!