There are 40 white beans representing the recessive allele, (b), which codes for white fur. There are 40 brown beans representing the dominant allele, (B), which codes for brown fur. Account for random shifts in allele frequency. Genetic drift is at play in this population and causes random shifts in the allele frequency for fur color. No matter what their fur color is, two of the individuals in the population simply do not produce any offspring. Remove the first and last genotypes (pairs of beans) you laid out for your population, and set them aside. They will not contribute genetic information to future generations.

Required:
a. What were the two genotypes that were randomly eliminated?
b. Will their elimination influence future allele frequencies in the population? If so, how?

Hey is your blood is golden

fertilization, pictured in figure 24.23a is the process in which gametes (an egg and sperm) fuse to form a zygote. the egg and sperm each contain one set of chromosomes. to ensure that the offspring has only one complete diploid set of chromosomes, only one sperm must fuse with one egg. in mammals, the egg is protected by a layer of extracellular matrix consisting mainly of glycoproteins called the zona pellucida. when a sperm binds to the zona pellucida, a series of biochemical events, called the acrosomal reactions, take place. in placental mammals, the acrosome contains digestive enzymes that initiate the degradation of the glycoprotein matrix protecting the egg and allowing the sperm plasma membrane to fuse with the egg plasma membrane, as illustrated in figure 24.23b. the fusion of these two membranes creates an opening through which the sperm nucleus is transferred into the ovum. the nuclear membranes of the egg and sperm break down and the two haploid genomes condense to form a diploid genome.

explanation:

label a cell membrane

label b cytoplasm

label c ribosomes

label d dna

the membrane forms the outside of the cell

cytoplasm is the liquid within

ribosomes are the components within that distribute rna

the dna is the genetic make-up