In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over
spotted (s). If two black, solid dogs were crossed several times and the total offspring were eighteen
black, solid and five black, spotted puppies, the genotypes of the parents would most likely be
a. Bb Ss ? Bb Ss.
b. Bb Ss ? Bb SS.
c. BB Ss ? Bb ss.
d. BB Ss ? Bb Ss.
e. Bb ss ? Bb SS.
D
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Answer the following statement true (T) or false (F)
Which structure is the most immediate precursor of the brain?
a. neural tube b. neural groove c. neural crest d. neural folds e. neural plate
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What will be an ideal response?
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