Inheritance of Style Color in Hazelnut

Inheritance of a Chlorophyll Deficiency in Hazelnut

A chlorophyll deficiency expressed as yellowing of leaves was observed in hazelnut (Corylus avellana L.) progenies. Segregation ratios approximated 3 green : 1 yellow, indicating control by a single recessive gene designated chlorophyll deficient #1, for which the symbol c, is proposed. ‘Barcelona’, ‘Butler’, ‘Compton’, ‘Lansing’, Willamette’, and the ornamental selection ‘Redleaf #3’ are heter...

Inheritance of Bulb Color in the Onion.

Inheritance of Earlobe Color in Poultry.

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 470 Breeds used. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471 Classification of earlobe color. . . . . . . . . . . . . . . . . . . . . . . . . . . . 471 F1 generation. . . . . . . . . . . . . . . . . . ....

The Inheritance of Shank Color in Chickens.

Several publications in recent years have given conflicting reports upon the inheritance of shank color. Yellow shank color has been reported to be inherited in a simple Mendelian fashion, the sex-linked gene for yellow shank color ( U ) being dominant to its allele (y) , the gene for blue shank color. In contrast to this, the gene for yellow shank color has been reported to be autosomal, the r...

Inheritance of Seed Color in Lactuca Sativa^

The mature fruit of lettuce is an achene or naked seed, the color of which is determined by the color of its pericarp. The pigments that give the seed its particular color seem to be localized in the pericarp tissues.^ The mode of inheritance of seed color is of immediate practical importance to those breeding lettuce for disease resistance, climatic adaptation, and desirable commercial charact...