a region at which sister chromatids are bound together; a constricted area in condensed chromosomes b cell, nucleus, or organism containing two sets of chromosomes (2n) c chromosomes of the same morphology with genes in the same location d cell, nucleus, or organism containing one set of chromosomes

(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?

What do lava flows made of aa indicate about the type of volcanic eruption that occurred? a. the eruption was viscous. b. the eruption was pyroclastic. c. the eruption was explosive. d. the eruption was quite. !

Compare the composition of the moon's surface with the composition of the earth's surface.