It is thought that the ZPA cells control the length of different digits by secreting hormone-like chemicals that build up in the limb bud tissues. What result in the experiment most clearly suggests that this is the case?

Question

Accepted Answer

The longest digits develop in areas closest to the ZPAs - while digits furthest from the ZPAs are shortest.

Answer

Mirror image sets of digits developed in experiment (a) when ZPAs were placed in regions opposite one another.

Answer

The sets of three digits in experiment (c) were opposite in orientation to the sets that developed in experiment (a).

Answer

Digits 4' and 3' are consistently longer than digit 2'.

Answer

Digit 2' does not develop in experiment (b).

It is thought that the ZPA cells control the length of different digits by secreting hormone-like chemicals that build up in the limb bud tissues. What result in the experiment most clearly suggests that this is the case?

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It is thought that the ZPA cells control the length of different digits by secreting hormone-like chemicals that build up in the limb bud tissues. What result in the experiment most clearly suggests that this is the case?

❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | What Should We Know? Privacy | Terms |

Without work one finishes nothing. - Ralph Waldo Emerson© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.

About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | What Should We Know?
Privacy | Terms |

Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com