Apopulation of red squirrel fish breeds and produces offspring, 75% are still red but 25% are yellow. this variation in the color of the squirrel fish can be explained by. a) the presence of a mutagen in the environment that caused a color change. b) the rapid disappearance of the allele for red color in the fish population. c) the presence of a recessive allele for yellow color that was naked by a dominant red color allele. d) the presence of an inhibitor protein that did not allow the allele for yellow color to produce visible results

When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.