Your brother has just purchased a new plastic model airplane. He places all the parts on the table in approximately the positions in which they will be located when the model is complete. His actions are analogous to which process in development?
A) morphogenesis
B) determination
C) induction
D) differentiation
E) pattern formation
Answer: E
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Which of the following occurs with alcohol
induced cirrhosis of the liver?
a. the production of albumin, important for solute balance, stops b. toxins accumulate in the brain c. blood flow is restricted d. a 50% chance of death within 10 years of onset e. all of these occur with alcohol induced cirrhosis of the liver
3 types of structural classifications
What will be an ideal response?
Which of the following is an example of polygenic inheritance?
A) pink flowers in snapdragons B) the ABO blood group in humans C) white and purple flower color in peas D) skin pigmentation in humans
Comb shape in chickens is determined by 2 different genes that independently assort (R/r and P/p). A walnut comb is produced with at least one "R" allele and one "P" allele. A rose comb is produced with at least one "R" allele and two "p" alleles. A pea comb is produced by two "r" alleles and at least one "P" allele. A single comb is produced when both genes are homozygous recessive. If a single comb chicken is mated with a pea comb chicken that is homozygous for the "P" allele, what phenotype(s) for comb is/are expected in their offspring?
a) Only pea comb b) Only single comb c) 1/2 pea comb and 1/2 single comb d) 3/4 pea comb and 1/4 single comb