英语翻译Vocabulary of geneticsGenes1.located on chromosomes in t

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英语翻译
Vocabulary of genetics
Genes
1.located on chromosomes in the nucleus
2.code (provided instructions) for traits
3.each chromosome contains 100’s-1000’s of genes
Alleles
1.different forms of the same gene
2.at least two of these control each trait
3.located in the same position on homologous chromosomes
Dominant allele
1.the allele that is expressed (seen) in the offspring
2.represented by a capita l letter
Recessive allele
1.the allele that is present but is not expressed
2.represented by lower case letter
Homozygous
1.the two alleles of a pair are the same
2.also called pure
3.examples TT and tt
Heterozygous
1.the two alleles of a pair are different
2.also called hybrid
3.example Tt
Phenotype
1.the physical appearance of an organism resulting from its genes
2.examples:tall,blue eyes,curly hair,has hemophilia
Genotype
1.the combination of alleles that make up the genes of an individual
2.examples:TT,Tt,tt

基因
1.位于核染色体内
2.带有不同代码表示各个显著特征
3.每个染色体含有100--1000个基因
等位基因
1.相同的基因有不同的形式
2.每个生物体的显著特点至少由两个等为基因控制
3.位于响应染色体的相同位置
显性等位基因
1.显性等位基因在生物的后代中被表现
2.由大写字母表现
隐性等位基因
1.显性等位基因在生物个体中存在但不被表现出来
2.由小写字母表现
同型结合的,纯合子的
1.一对等位基因是完全相同的
2.也叫纯合子
3.比如 TT 和tt
杂合的
1.一对的等位基因是不同的
2.也叫杂合的
3.比如Tt
显性
1.一个生物体的物理性质由他的基因决定
2.比如,高个子.蓝眼睛.卷发.血友病.
基因型
1.等位基因的结合构成了个体的遗传基因
2.比如.TT Tt tt

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