5 A breeder has several black rabbits and white rabbits. He knows that black fur in rabbits is caused by a dominant allele, B. White fur is caused by the recessive allele a. Explain what the breeder can do to determine the genotype of one of his black rabbits. Use genetic diagrams as part of your answer. ​

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

The table below shows the elements that mainly comprise each of the four layers of earth: elements in layers layer main elements crust oxygen, silicon mantle iron, magnesium outer core iron, nickel inner core iron which of these elements make up the layer that is 0.2 to 1.1 percent of earth's total diameter?

If you see a sedimentary outcrop and red layers of sand are at the top of pale layers of rock, what does this tell you about the ages of the rock layers?