. The elements of genetics. Genetics. INTRODUCTION and nucleus, show that the nucleus must be deciding what kind of hat is grown. Tlie nucleus seems to bear the genotype (Fig. i). Sexual reproduction is just such a transplantation as we see in the alga. A sperm nucleus or generative nucleus of a pollen grain enters an egg cell hundreds or thousands of times larger, and fuses with the female nucleus. Thus the nucleus of the fertilized egg or zygote is of mixed origin; but its cytoplasm is almost exclusively from the mother. The new organism develops from this zygote and shows,. Please note that
. The elements of genetics. Genetics. INTRODUCTION and nucleus, show that the nucleus must be deciding what kind of hat is grown. Tlie nucleus seems to bear the genotype (Fig. i). Sexual reproduction is just such a transplantation as we see in the alga. A sperm nucleus or generative nucleus of a pollen grain enters an egg cell hundreds or thousands of times larger, and fuses with the female nucleus. Thus the nucleus of the fertilized egg or zygote is of mixed origin; but its cytoplasm is almost exclusively from the mother. The new organism develops from this zygote and shows,. 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 Darlington, C. D. (Cyril Dean), 1903-; Mather, Kenneth. New York : Macmillan
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