|
|
||||
|
|
1760 |
|
||
|
|
1760 |
|
||
|
|
1761 |
|
||
|
J. G. Kölreuter carries out crosses between various species
of Nicotiana and finds that the hybrids are quantitatively intermediate
between their parents in appearance. The hybrids from reciprocal
crosses are indistinguishable. He concludes that each parent contributes
equally to the characteristics of the offspring.
|
1761-67 |
|
||
|
|
1762 |
|
||
|
|
1763 |
|
||
|
|
1764 |
|
||
|
|
1765 |
|
||
|
|
1766 |
|
||
|
|
1767 |
|
||
|
|
1768 |
|
||
|
|
1769 |
|
||
|
|
1770 |
|
||
|
|