uppose that 500 bp of nucleotide sequence information (representing the same genomic DNA location) was compared between DNAs obtained from three different sources: 1) crime scene DNA, 2) DNA from suspect 1, and 3) DNA from suspect 2. It was found that none of the sequences were identical to one another. The crime scene DNA differed from that of suspect 1 at one location (499 nucleotides were identical), and differed from that of suspect 2 at two different locations (498 nucleotides were identical). What should be the conclusion

The construction of phylogenetic trees is a mapping out the proposed divisions and common ancestors of all living species. traditionally, these trees have been built using morphological data, such as appearance and embryology. recently, it has been possible to construct these trees using molecular data. phylogenetic trees based on different types of information agree with each: that there is strong evidence of a real underlying common descent. this phylogenic tree is composed based on molecular data (rrna). what statements can we infer are true about the organisms throughout the tree? because the tree is rooted, all branches share a common ancestor. all organisms have some sort of cellular structure/organization. all eukaryotes evolved from bacteria. since the organisms contain rna, they share the same dna. if the organisms contain rna, the share the same four nitrogen bases.

Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?