After an RNA molecule is transcribed from a eukaryotic gene, portions called are removed and the remaining are spliced together to produce an mRNA molecule with a continuous coding sequence.

Explanation:

After an RNA molecule is transcribed from a eukaryotic gene, portions called

introns are removed and the remaining exons  are spliced together to produce an mRNA molecule with a continuous coding sequence.

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equal distribution i think.

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.