Crossing over occurs in prophase of meiosis 1 crissing over results in
a) new combinations of genes on a chromosome
b) genetically identical homorogous chromosome
c)double the number of original chromosome
d) half the number of original chromosome

(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 is the difference between a scientific hypotheses and a scientific theory?

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?