The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the corresponding bones in whales have very different shapes and proportions. However, genetic data suggest that all three kinds of organisms diverged from a common ancestor at about the same time. Which of the following is the most likely explanation for these data?

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#Question id: 26892

#Unit 10. Ecological Principles

If a species has more genetic variation, it can adapt better

TLS Online TPP Program

#Question id: 1721

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of follicular dendritic cells?

TLS Online TPP Program

#Question id: 11581

#Unit 7. System Physiology – Animal

DES is called an "endocrine disrupting chemical" because it interferes with the endocrine secretions of the ________.

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#Question id: 23217

#Unit 13. Methods in Biology

What are the advantages of using Scanned probe microscope?

1. Do not modifies the specimen

2. It modifies the specimen

3. No exposure to high energy radiation

4. Exposure to high energy radiation

Which of the following options is incorrect?

TLS Online TPP Program

#Question id: 1671

#Unit 4. Cell Communication and Cell Signaling

A chromosome on which T-cell receptor α chain gene rearrangement has occurred lacks which of the following gene segments?