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zavuch27 [327]
3 years ago
13

Explain why scientists rejected Lamarck’s ideas about evolution. What is an example that they might have used in their argument

against his ideas? Enter your answer in the space provided.
Biology
2 answers:
umka21 [38]3 years ago
6 0
Information is not passed on through DNA but through molecules having an influence on the DNA of the new generation.
This is one argument against Lamarck's ideas.
Dmitrij [34]3 years ago
3 0

He thought they changed from simple organisms to more complex organisms because they had an innate drive to become more complex and "perfect."  Lamarck thought that when organisms changed their behaviors in response to a changing environment, their bodies changed. When they used a part of their bodies more, it changed accordingly. When they used a part of their bodies less, it shrank.


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4 0
4 years ago
When true breeding brown dogs are mated with certain true breeding white dogs, all of the F1 pups are white. The F2 progeny from
spayn [35]

Answer:

The results indicate that two independently assorting genes are involved (modified 9:3:3:1 ratio), with white blocking the expression of color by the other gene. The ratio of white : color pups is 3:1, indicating that the F.1 is heterogeneous (W/w). Among colored dogs, the ratio is 3 black : 1 brown, indicating that black is dominant to brown, and the F.1 is heterogeneous (B/b). The original brown dog is w/w ; b/b, and the original white dog is W/W ; B/B. The F.1 progeny are W/w ; B/b, and the F.2 progeny are: 12: 3: 1.

9 W/- ; B/-

3 W/- ; b/b

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white

white

black

brown

7 0
4 years ago
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Marina86 [1]
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