Use the IRAC method and ensure that you have identified the case problem.  Case analyses are extremely helpful in that an analysis teaches you how to read a case.  You will always want a heading which gives the case name and its citation <where to find the case>.  The facts […]

In many organisms including human, some tissues are triploid rather than diploid. The c value for human is 3 x 10^9 bp and a normal diploid cell contains 46 chromosomes. From this information please determine how many chromosomes will be visible in a karotype of a triploid cell and the […]

1. Let’s assume for this problem that the world is divided into blue-eyed people and brown-eyed people. Let’s also assume for the sake of simplicity that there is only one gene responsible for eye color and that the allele for brown eyes (B) is dominant over the allele for blue […]

Q1. In a theoretical population, frequency of the B1 allele is 0.5, and the frequency of the B2 allele is 0.5. The B2B2 is a recessive lethal genotype. There are 100 embryos produced. How several are born of each genotype? Q2. Ella is a normal XX girl who is red-green […]