4. what is used to make a linkage map for a group of organisms?
the number of traits one gene set can control in the group
the number of times linked genes are separated in the group
the number of different genes found in the group
the number of phenotypes a gene set can produce in the group

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the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.