Arooster with e particular comb morphology called walnut was crossed to a hen with e type of comb morphology known as single. the fl progeny ell had walnut combs. when fl males and females were crossed to each other, 93 walnut end 11 single combs were seen among the f2 progeny, but there were also 29 birds with e new kind of comb called rose and 32 birds with another new comb type celled pee. a. explain how comb morphology is inherited. b. what progeny would result from crossing a homozygous rose-combed hen with e homozygous pea-combed rooster? what phenotypes and ratios would be seen in the f2 progeny? c. a particular walnut rooster was crossed to a pea hen, and the progeny consisted of 12 walnut, 11 pee, 3 rose, end 4 single chickens whet are the likely genotypes of the *rents? d. a different walnut rooster was crossed to a rose hen, and ell the progeny were walnut whet are the possible genotypes of the parents?

Bisphenol a (often called bpa) is a chemical found in products that people use every day, from water bottles to food containers to children's toys. unfortunately, bpa leaches out of its many products and makes its way into our bodies. what are the health effects of bpa exposure? ongoing research is finding that elevated exposure to bpa can affect a wide variety of developmental and physiological processes, but one of the first studies of bpa's health effects came about because of a simple mistake in the lab. at a laboratory at case western reserve university in 1998, geneticist patricia hunt was making a routine check of her female lab mice. as she extracted and examined developing eggs from the ovaries, she began to wonder what had gone wrong. she noticed that many of the eggs showed problems with their chromosomes, and some had irregular amounts of genetic material, which can lead to miscarriages and birth defects in mammals. she learned that a lab assistant had mistakenly washed the plastic mouse cages and water bottles with a harsh soap, releasing bpa from the plastic. knowing that bpa is an endocrine disruptor, a chemical that can enter organisms and mimic hormones, hunt set out to discover whether it had adversely affected her mice.

This map shows how climate change might affect precipitation patterns in the great plains of the united states by the end of this century. brown shoes a decrease in percipitation, and blue shows an increase. the maps differ based on the predictive levels of green house emissions. the maps shows that northern area should get a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels.southern areas show a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels.to use these maps to prepare for natural disasters in the great plains, scientist need to ask? a. how many tons of emissions were used at the basis of the map.b. which types of fossil fuels are used in the great plains c. if you think the above is wrong it's probly c the question is cut off

Which prefix mean under less or below