100 1. how can breeders introduce mutations? 2. what is the relationship between genetic variation and mutations? 3. suppose you are a geneticist trying to develop a sunflower with red petals and a short stem. as you compare the sunflowers you have on hand, what genetic variations would you look for?

1.To produce organisms with new traits, breeders can introduce mutations (usually in bacteria) using radiation or chemicals, or they can create polyploid plants. Polyploidy describes an organism with multiple sets of chromosomes.

2.An outline of the relationship between mutations and genetic variation. A mutation is known to be a natural process in which theDNA sequences is changed in a living organisms. Although, genetic variation is the change in both alleles and genes, both throughout and amongst the population.

3. Assuming the traits are recessive, and this is not a case of incomplete dominance, begin crossing any plants you have. Hopefully, you will have two heterozygous plants (for both traits) and will see at least one trait show recessive in one of the progeny. If you are lucky, you will get two plants, one recessive for red flowers, one recessive for short stems. Cross the two, and you will get a completely recessive individual.

No because the eaeht is on a 23.5 degree axis tilt and so when it is winter the northern hemisphere is pointing away from the sun and the soutubern hemisphere is pointing toward the sun