论文部分内容阅读
杂交 (广东♀×团头♂ )一代的形态性状大多数介于父母本之间。主要可数性状和可量性状有些偏近父本 ,有些偏近母本 ,而有些则介于父母本之间 ;杂交一代的染色体核型与母本相同 ;乳酸脱氢酶 (LDH)、苹果酸脱氢酶 (MDH)和酯酶 (EST)不同的同功酶酶谱在杂交一代中的表达各异 ,酶带有些像父本 ,有些像母本 ,有些个体同时兼有父母本的某些酶带 ,或具有父母本所没有的酶带
Morphological traits of hybrid (Guangdong ♀ × 头 ♂) generation were mostly between parents. The main countable traits and measurable traits are a little closer to the male parent, some are closer to the female parent, while others are between the parents; the karyotype of the hybrid parent is the same as that of the female parent; lactate dehydrogenase (LDH) Maize dehydrogenase (MDH) and esterase (EST) different isoenzyme zymogram in hybrid generation generation of different expression, the enzyme with some as a paternal, some as the mother, some individuals also have parents Some of the enzyme band, or with the parents did not have the enzyme band