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Which is not a human blood phenotype?
The answer is: C
Use the “A-B-O” method of blood- typing in humans to answer the questions. How many phenotypes exist for this method of blood-typing?
How many phenotypes exist for this mrthod of blood typing
Why are there more genotypes and phenotypes for blood types?
There are more genotypes and phenotypes for blood types due to the presence of multiple alleles and the codominance of certain alleles in the ABO blood group system. The ABO blood types are determined by three alleles: A, B, and O. The combinations of these alleles lead to four main phenotypes (A, B, AB, and O), while the presence of the Rh factor (positive or negative) further increases the variety of possible blood types. This genetic diversity arises from evolutionary processes and the inheritance patterns of multiple alleles.
Why does human height have such a wide variety of phenotypes?
i eat pancakes
What is the blood type letters found in the blood?
In humans there are two blood antigens - A and B. The absence of either antigen is referred to as O. The four possible phenotypes (genotypes) are: AB (AB), A (AA or AO), B (BB or BO) and O (O).
How many phenotypes is ABO blood?
4 A B AB O There are 6 genotypes AA AB AO BB BO OO
Which cross will yield four phenotypes in the ratio?
A phenotype is the composite of an organism's observable traits. The answer to the question, the cross that will yield four phenotypes in the 1:1:1:1 ratio is fifty.
How differences in genotypes cause variations in phenotypes?
Phenotypes are the traits expressed by the genotype. So, for blood type, a person can have A and i alleles (genotype). However, in the phenotype, since i is recessive, only the A will be expressed, and the person will have an A blood type.
Who discovered the four basic human blood types?
Karl Landsteiner
How many blood groups have been discovered?
There are eight main blood types:O positive, O negative, A positive, A negative, B positive, B negative, AB positive and AB negative.Wikipedia has info- also try www.nzblood.co.nz.
Why do human traits such as height and skin color have different phenotype?
This is because phenotypes are the physical appearance. If you had brown hair and so did I, our phenotypes, would still be different.
What are the four known blood types in the human body?
O, A, B, and AB
