. Cell heredity. Cytogenetics. 86 CELL HEREDITY At meiosis a hetorozvgote produces gametes which have either one allele or the other. The sperm and eggs of an M /M' heterozygote are either M^' or M^. If these two types are produced in a 1:1 ratio, and if sperm combine with eggs at random, then there are in equal frequencies four possible diploid combinations at fertilization: Parental (Pj) generation Genotype Father M »fN M'"M Mother M^M^ Genotype of gametes Filial (Fi) generation genotypes Average frequency Ratio. (" M^ j ( ^^ ). Please note that these images are extracted from scan
. Cell heredity. Cytogenetics. 86 CELL HEREDITY At meiosis a hetorozvgote produces gametes which have either one allele or the other. The sperm and eggs of an M /M' heterozygote are either M^' or M^. If these two types are produced in a 1:1 ratio, and if sperm combine with eggs at random, then there are in equal frequencies four possible diploid combinations at fertilization: Parental (Pj) generation Genotype Father M »fN M'"M Mother M^M^ Genotype of gametes Filial (Fi) generation genotypes Average frequency Ratio. (" M^ j ( ^^ ). 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 Sager, Ruth; Ryan, Francis J. (Francis Joseph), 1916-. New York, Wiley
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