A difference between prokaryotes and eukaryotes is seen in the organization of their genetic material. Contrast the following activities in prokaryotes and eukaryotes: • Replication of DNA • Transcription or translation • Gene regulation • Cell division

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.

the answer is sex-linked recessive.