Two unicorns mate. one unicorn has a white horn and has genotype hhww (has horns and the horn is white). the other unicorn has the genotype hhww (it has genes for black horn, but no horn). what is the likelihood that they will have a colt with a white horn ?

ok so for one you got 2 genes of color and two genes of horn/no horn

so that makes 1/4 chance of a white horn but then with the gene of the no horn it lowers down the chance to about 1/6 or 1/8 i think but yes other genes can counter act and lower or higher the chances of white horn

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: