What is the segment of a dna chain that codes for all or part of a trait?
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a. rna
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b. gene
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c. chromosome
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d. cytoplasm

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

The first amino acid of a new polypeptide chain is