. Animal biology. Zoology; Biology. 558 GENERAL CONSIDERATIONS 2. When the two hereditary units are unlike, the one which shows its presence by a visible character may be called dominant and the other recessive but in many cases there is incomplete dominance. 3. In breeding individuals heterozygous for any pair of characters, three kinds of offspring will be produced—those which are homozygous and possess the dominant character; those which are homozygous and possess the recessive character; and those which are heterozygous and show the dominant character or intermediate stages of the dominant
. Animal biology. Zoology; Biology. 558 GENERAL CONSIDERATIONS 2. When the two hereditary units are unlike, the one which shows its presence by a visible character may be called dominant and the other recessive but in many cases there is incomplete dominance. 3. In breeding individuals heterozygous for any pair of characters, three kinds of offspring will be produced—those which are homozygous and possess the dominant character; those which are homozygous and possess the recessive character; and those which are heterozygous and show the dominant character or intermediate stages of the dominant and recessive characters (law of segregation). Homozygous Male Homozygous Female Primary f^ (^ Primary Spermatocyte. Oocyte. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wolcott, Robert Henry, 1868-1934; University of Nebraska (Lincoln campus). Dept. of Zoology. New York ; London : McGraw-Hill Book Company, Inc.
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