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drek231 [11]
3 years ago
13

Phylogenetic tree of ginseng

Biology
1 answer:
Shalnov [3]3 years ago
5 0
Can you explain more?? please. /////:/
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Mice and rats make up approximately 95% of all laboratory animals, with mice the most commonly used animal in biomedical research.

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Ksju [112]

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Double fertilization

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The phenomenon of double fertilization is unique to flowering plants (i.e., angiosperms). Each pollen grain produces two male gametes (sperm cells), one of which fertilizes the egg to form the zygote, whereas the other sperm fuses with polar nuclei in the female gametophyte in order to form a triploid cell (3n) called endosperm. Subsequently, this endosperm will support embryonic growth by supplying storage nutrients and by serving as a mechanical barrier during seed development and germination.

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3 years ago
In horses, a black coat is dominant to a brown coat (B = black, b = brown). Long legs are dominant to short legs (L = long, l =
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