英语翻译How would individuals with each of these three genotypes

英语翻译
How would individuals with each of these three genotypes appear?The way each combination of genes expresses itself is known as the phenotype of the organism.A person with two alleles for attached earlobes will have earlobes that are attached.A person with one allele for attached earlobes and one allele for free earlobes will have a phenotype that exhibits free earlobes.An individual with two alleles for free earlobes will also have free earlobes.Notice that there are three genotypes,but only two phenotypes.The individuals with the free-earlobe phenotype have different genotypes.
For various reasons,certain genes may not express themselves.Sometimes,the physical environment determines if certain genes function.For example,some cats have coat-color genes that do not reveal themselves unless the temperature of the skin is below a certain point.Often,the only parts of a cat that become cool enough to allow the genes to express themselves are the tips of the ears and the feet.Consequently these areas will differ in color in color from the rest of the cat’s body.Another example in humans is the presence of genes for freckles that do not show themselves fully unless the person’s skin is exposed to sunlight.

如何将个人与这三种基因型中出现?基因的每一种组合表现出来的方式被称为生物体的表型.一个人有两个等位基因连接耳垂会被附加耳垂.一个人与一个等位基因为连接耳垂和一个等位基因自由耳垂会有一个表现型表现出无耳垂.两个等位基因自由耳垂的个人也将有自由耳垂.请注意,有三种基因型,但只有两个表型.与自由耳垂表型的个体有不同的基因型.
由于种种原因,某些基因可能不会表达自己.有时候,物理环境确定某些基因的功能.例如,一些猫有外衣色基因,不显露出来,除非皮肤温度低于某一点.通常情况下,猫的唯一部件变得很酷,足以使基因表达自己的耳朵和脚的提示.因此,这些区域将是不同的颜色,颜色从猫的身体的其余部分.在人类中的另一个例子是基因的存在为雀斑不充分展示自己,除非该人的皮肤暴露在阳光下.