large ones. Since the male somatic cells have 19 large and i small chromosome, while the female somatic cells have 20 large ones, it seems certain that an egg fertilized by a spermatozoon which contains the small chromosome must produce a male, while... Studies in Spermatogenesis - Página 18de Nettie Maria Stevens - 1905Vista completa - Acerca de este libro
| Bryn Mawr College - 1906 - 310 páginas
...the nucleus—one-half of them have 9 large chromosomes and i small one, while the other half have 10 large ones. Since the male somatic cells have 19 large...while one fertilized by a spermatozoon containing 10 chromosomes of equal size must produce a female. The small chromosome itself may not be a sex determinant,... | |
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