Pig can be made to grow fast because of ___________.(单选题)<br>.an “antifreeze” gene of Arctic fish<br>.a human gene<br>.a disease resistant gene<br>.an antibiotic resistant gene

Pig can be made to grow fast because of ___________.(单选题)
.an “antifreeze” gene of Arctic fish
.a human gene
.a disease resistant gene
.an antibiotic resistant gene

出自：2024年国家开放大学答案

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