Alleles are used by cells to make proteins. When an allele changes, the protein that the cell makes also changes. The new alleles cause the cell to make new proteins. Normal Makes Allele Protein Mutated Makes Allele Protein How do you think new proteins affect the fitness of children? A. They have no effect on fitness
B. They increase fitness
C. They decrease fitness
D. All of the above

What is the mrna strand that would be copied from this dna strand

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms