Across of a black chicken (bb) with a white chicken (ww) produces all speckled off spring (bw). this type of inheritance known as

Codominance

Explanation:

When we say codominance, both traits of the parents are seen on the offspring. For example in your problem, the offspring is speckled meaning there is a mixture of both white and black, traits coming from each parent.

Do not confuse this with incomplete dominance. Incomplete dominance is similar but the difference is that the traits are "BLENDED". So let's say that if incomplete dominance occurred, the offspring would be gray.

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:

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