TLS Online TPP Program

#Question id: 8936


Organisms showing radial symmetry would likely

#Unit 9. Diversity of Life Forms
  1. be good swimmers.
  2. have rapid escape behavior.
  3. move from place to place relatively slowly, if at all.
  4. be able to fly.
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TLS Online TPP Program

#Question id: 4926

#Unit 8. Inheritance Biology

Shell coiling in snail is determined by genetic maternal effect for a single loci having D allele for dextral coiling but S allele for sinistral coiling. D dominant over S. which of the following cross would produced all progeny that is dextral coiling ?

I- DD Male X SS female

II- DD Male X DS female

III- SS Male X DD female

IV - DS Male X DS female

TLS Online TPP Program

#Question id: 12042

#Unit 7. System Physiology – Animal

A 19-year-old woman visits her physician because of nausea, diarrhea, light headedness, and flatulence. The physician administers 50 g of oral lactose at time zero, and measures breath hydrogen every 30 min for 3 hr using a hand-held monitor. The results are shown above. Which of the following best describes this patient’s condition?


TLS Online TPP Program

#Question id: 24601

#Unit 2. Cellular Organization

G1 chromatid are the product of

TLS Online TPP Program

#Question id: 2808

#Unit 2. Cellular Organization

A microsatellite is a type of polymorphism that

a. results from the change of a single nucleotide.

b. changes the recognition sequence for a restriction enzyme.

c. results from a variable number of repetitive sequences.

d. results from a chromosomal inversion.

TLS Online TPP Program

#Question id: 15007

#Unit 8. Inheritance Biology

You set up a cross between true breeding wild type male fruit flies and true breeding female flies with a yellow body color. You notice in the F1 generation that half the flies, specifically all the males, have yellow body color while the females are wild type (gray). Which of the following explanations is the most likely?