In the Chinese primrose, slate-colored flower (s) is recessive to blue flower (S), red stigma (r) is recessive to green stigma (R), and long style (l) is recessive to short style (L). All three genes involved are on the same chro- mosome. The F1 of a cross between two true-breeding strains, when testcrossed, gave the following progeny:

Phenotype
Number of Progeny
slate flower, green stigma, short style 27
slate flower, red stigma, short style 85
blue flower, red stigma, short style 402
slate flower, red stigma, long style 977
slate flower, green stigma, long style 427
blue flower, green stigma, long style 95
blue flower, green stigma, short style 960
blue flower, red stigma, long style 27
Total 3,000

a. What were the genotypes of the parents in the cross of the two true-breeding strains?

b. Make a map of these genes, showing their order and the distances between them.

c. Derive the coefficient of coincidence for interference between the given genes.

Consider the motion of the balloon and its air contents in terms of momentum. in step 1 above, the total momentum of the balloon and its contents was zero. recall that momentum = mv. both the balloon and the air inside it had a velocity of zero and therefore the total momentum was zero. now think about what happened when the air escaped from the balloon. a certain mass of air accelerated in one direction. in order to keep the total momentum of the system zero, the balloon itself (which has mass) had to accelerate in the opposite direction. use this scenario to you explain why the soda can rotates when the water squirts out of the escape holes. what was your hypothesis concerning the water-filled can? according to your data, do you think your hypothesis was correct? (be sure to refer to your data when answering this question.) summarize any difficulties or problems you had in performing the experiment that might have affected the results. describe how you might change the procedure to avoid these problems. give at least one more example of newton's third law in everyday life.

What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.