英语词汇“junk DNA”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

junk DNA

noun [mass noun] Genetics

DNA that does not code for a protein, usually occurs in repetitive sequences of nucleotides, and does not seem to serve any useful purpose.Zimmer also brings up the argument that simply by making the genome bigger that junk DNA may serve a useful function by making cells the correct size....

Ohno also proposed that a large proportion of the mammalian genome is noncoding or junk DNA.
Since junk DNA does not code for proteins, mutations can accumulate within it without natural selection weeding them out.

单词	junk DNA
释义	junk DNA noun [mass noun] Genetics DNA that does not code for a protein, usually occurs in repetitive sequences of nucleotides, and does not seem to serve any useful purpose.Zimmer also brings up the argument that simply by making the genome bigger that junk DNA may serve a useful function by making cells the correct size.... Ohno also proposed that a large proportion of the mammalian genome is noncoding or junk DNA. Since junk DNA does not code for proteins, mutations can accumulate within it without natural selection weeding them out.
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