Thomas hunt morgan crossed a white-eyed male with red-eyed females in a parental generation and then brother-sister mated the f1 offspring and examined their f2 progeny. morgan observed all of the following in his crosses. which of these observations is not expected of simple mendelian inheritance of a recessive allele? a. the f1 generation flies all had red eyesb. white eyes reappeared in the f2 generationc. white eyes appeared only in males in the f2 generationd. white eyes appeared only in females in the f2 generatione. white eyes appeared in both males and females in the f2 generation

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed