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The possible genotypes for each of the four phenotypes. | Learn ...


After tracking physical characteristics of the common pea plant through multiple generations, Gregor Mendel realized that inheritance follows specific patterns.

Blood Types Tutorial - The Biology Project - University of Arizona


Oct 23, 1997 ... How are blood types related to the six genotypes? ... It is not possible to determine the exact genotype from a blood test result of either type A or ...

Introducing Punnett Squares


A Punnett square is a chart which shows/predicts all possible gene combinations in ... List the possible genotypes and phenotypes of the offspring for this cross.

Punnett Squares | ASU - Ask A Biologist


Genotype: the genetic makeup of an organism, or the versions of a gene that an ... are three possible genotypes that could result from this crossing: AA, Aa, aa.

The Genetics of PKU - STScI


Jan 13, 1999 ... The heterozygous parent of a PKU individual has a genotype, or genetic ... A Punnett square is a diagram of the possible offspring which could ...

How to Solve Genetics Problems 1 - College of DuPage


Step One: Figure out the genotypes of the parents. Once you've ... Now you need to determine all the possible ways that his sperm can combine with her eggs.

Genotype & Phenotype


Genotype is also used to refer to the pair of alleles present at a single locus. With alleles 'A' and 'a' there are three possible genotypes AA, Aa and aa. With three ...

Genetic problems --


If two heterozygous parents, CcDd, were crossed there are NINE possible combinations of GENOTYPES in the offspring? FOUR possible phenotypes.

human biology - Possible genotypes for blood types? - Biology ...


Mar 25, 2015 ... If I am blood type B, what are all the possible genotypes that could be ... Similarly, someone who is blood type B could have a genotype of ...



The two genes that determine an organism's traits are called the genotype. Mendel's plants could have one of three possible genotypes, TT, Tt, or tt. Because the ...

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These are all of the possible genotypes and phenotypes that can ...


These are all of the possible genotypes and phenotypes that can result from a dihybrid cross between two BbEe parents.

Punnett Square Calculator | Science Primer


A Punnett Square shows the genotypes two individuals can produce when crossed. To draw a square, write all possible allele combinations one parent can  ...

Genotypes and phenotypes


An organism's genotype is its specific combination of alleles for a given gene. So, for example, in the pea plants above, the possible genotypes for the ...