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#Question id: 3573


Homozygous yellow and round seed was crossed with green and wrinkle seed plant. All F1 offspring having yellow and round seed plant were allowed to self fertilization. What is the proportional of F2 plant heterozygous for both characters?

#Unit 8. Inheritance Biology
  1. 1/4        

  2. 3/16               

  3. 6/16               

  4. 7/16

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TLS Online TPP Program

#Question id: 4631

#Unit 11. Evolution and Behavior

As a young biologist, Charles Darwin had expected the living plants of temperate South America would resemble those of temperate Europe, but he was surprised to find that they more closely resembled the plants of tropical South America. The biological explanation for this observation is most properly associated with the field of

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#Question id: 22953

#Unit 5. Developmental Biology

The MADS box gene form tetramers that bind to 

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#Question id: 17675

#Unit 8. Inheritance Biology

In humans, albinism (unpigmented skin, hair, and eyes) is due to an enzymatic deficiency, and it is an autosomal recessive trait. Suppose that in a small country of one million people (“Generation 1”), there are 500 aa albinos and 9000 Aa heterozygous carries. If the Generation 1 follow the Hardy-Weinberg equilibrium?
a) then the number of homozygous aa albino individuals would be equal to P2
b) there were 500 albino individuals in generation one.
c) then the number of homozygous aa albino individuals would be equal to q2
d) there were 25 albino individuals in generation one.
Which of the following is the correct prediction about the hardy-weingburg equilibrium?

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#Question id: 28080

#Unit 6. System Physiology – Plant

Excitation of chlorophyll RC has various ways to dissipate energy, which of the following is not a way to dissipate energy 
a. Heat
b. Fluorescence
b. energy transfer
d. Photochemistry via charge separation
Which of the following is correct 

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#Question id: 31018

#Unit 4. Cell Communication and Cell Signaling

Same ligand can induce different cells to respond in a variety of ways, often in a manner that coordinates the overall response of the organism. This property is known as: