Has vitamin c been produced in a human naturally before?
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Does someone with turner's syndrome sometimes have trouble hearing?
what is the new theory of introns?
Can Genetically Engineered food benefit the world?
what is the recently discovered sps of monkey in arunachalpradesh?
What is Heterozygote detection?
Are dominant genes related to dominant traits?
what is Genetic Base for a Species ?
Is biotechnology more dangerous to other gene transfer technologies breeding?
what are splice junction mutations?
In cats yellow is due to gene B and black to its allele b. These genes are located on the X chromosome (sex-linked). The heterozygous results in calico (tortoise shell). What kinds of offspring (sex & color) are expected from the cross: black male & calico female? Most calico males are sterile, why?
In mice colored coat is dominant to albinism. Sniffles, a male mouse with a colored coat is mated to Esmeralda, an alluring albino. The resulting litter of six young all had colored fur. The next time around Esmeralda was mated with Whiskers, who was the same color as Sniffles; some of this litter were white. a)What are the probable genotypes of Sniffles, Esmeralda, and Whiskers? b) If a male of the 1st litterwas mated to a colored female of the 2nd litter, what phenotypic ratio might be expected among the offspring? c)What would be the expected results if a male of the 1st litter was mated to an albino from the 2nd?
What is the difference between an allele and a mutation?