Choose the true statements about duplicate genes. 

_____ Duplicate genes may retain their ancestral function by their resistance to mutation.
_____ Duplicate genes can gain a derived function through subsequent mutation.
_____ Gene duplication rarely occurs in growth and development genes, immune system genes, and cell-surface receptor genes.
_____ Duplicate genes often share the same pattern of gene expression.


__X__ Duplicate genes may retain their ancestral function by their resistance to mutation.
__X__ Duplicate genes can gain a derived function through subsequent mutation.
_____ Gene duplication rarely occurs in growth and development genes, immune system genes, and cell-surface receptor genes.
__X__ Duplicate genes often share the same pattern of gene expression.

Biology & Microbiology

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