Answer:B) homologous chromosomes trade pieces of dna
Explanation:
Crossing over occurs between two homologous chromosome of sisters chromatid. Crossing over leads to exchange of genetic material between the two sister chromatids leading to recombination.
True: because it acts as a semi permeable membrane.
Answer:
shown below
Explanation:
If they go extinct there would be a change in the food chain.
Just like the dinosaurs
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Answer: A.) Scientists change the names of taxonomic groups to math current nomenclature.
Explanation: I just took the same quiz & that was right.
