What is the frequency of this wave?

The transport tubes from food came down the plant are called?

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?