Use the pedigree on the right to determine the genotype of Ryan. XRXR XRY XRXr XrY A pedigree for Ben and Lisa is shown. Ben is an empty square with an X Upper R Y genotype. Lisa is a half-filled circle with a X Upper R Upper X r genotype. Ben and Lisa have 2 children: Mike and Time. Mike has an empty square with a X Upper R Y genotype, and Tim has a filled square with Upper X r Upper Y genotype. Tim and Carol, who has a half-filled circle, have one child Ryan. Ryan has an empty square.

Which of the following is a cause of a dna mutation? o a. the linking of amino acid subunits into a long chain o b. the transcription of dna into rna o c. an error in the repair of damaged dna d. the diffusion of molecules across the cell membrane submit

Will mark branliest. the theory of plate tectonics was developed with the contribution of scientists from many different disciplines. which of the following is a contribution from geophysicists?

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.