In horses, black coat (B) is dominant over brown coat (b), a…
In horses, black coat (B) is dominant over brown coat (b), and being a trotter (T) is dominant over being a pacer (t). A black horse who is a pacer is crossed with a brown horse who is a trotter. The offspring is a brown pacer. What is the genotype of the brown trotter parent?
Read DetailsA woman who can roll her tongue (presumably dominant) is mar…
A woman who can roll her tongue (presumably dominant) is married to a man who cannot. Two of their four children can roll their tongues and two cannot. If A = roll tongue and a = cannot roll tongue, then what are the genotypes of the parents?
Read DetailsThe figure shows the pattern of an agarose gel electrophores…
The figure shows the pattern of an agarose gel electrophoresis after the DNA from a crime scene was isolated and cut with AccI restriction enzyme. Two individuals have been identified as suspects. The DNA of which individual(s) was/were found at the crime scene?
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