If a dihybrid cross is begun with a P1 generation of a true-breeding plant that produces smooth and yellow peas (smooth and yellow are both dominant traits), crossed with a plant that produces wrinkled green peas (wrinkled and green are both recessive traits), the F1 plants will all be smooth and yellow
a. True
b. False
Indicate whether the statement is true or false
True
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Answer the question using the accompanying figure. The region that determines the class of antibody is indicated by
number ____.
a. 1 b. 2 c. 3 d. 4 e. 5
Which fact best supports the hypothesis of one common ancestor for all life?
A) DNA sequences from bacteria can be transferred to plants and other organisms. B) Species in some groups have homologous anatomical structures. C) Embryonic development is similar for all chordates. D) Species in similar geographic locations show structural similarities.
Cilia
What will be an ideal response?
When immune complexes in the blood become trapped in the kidneys the resulting disease is known as
A) autoimmunity. B) hemolytic disease. C) glomerulonephritis. D) urticaria. E) anaphylaxis.