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What does the T sign represent?  

Which chromosome is primarily responsible for carrying the sex-linked traits?

When a woman with an X-linked recessive disorder has sons, what percentage will inherit the disorder?

Of the three possible alleles for the ABO blood type, each individual can have how many?

What tool is used to help predict the potential outcome from the mating of two individuals?

What is the genotype of a person with type O blood?

If a mother has a genotype of aa, what alleles will her eggs carry?

Which term is used to describe a specific location of a gene on a chromosome?

Which of the following genetic disorders is due to a lack of the lysosome enzyme hex A?

Which of the following is a dominant allele?