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In which phase will crossing-over occur? A. Meiosis II B. Metaphase II C. Prophase I D. Mitosis
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Asked 7/17/2018 1:41:26 AM
Updated 7/17/2018 2:25:21 AM
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This answer has been confirmed as correct and helpful.
Confirmed by matahari [7/17/2018 2:25:07 AM]
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User: In which phase will crossing-over occur? A. Meiosis II B. Metaphase II C. Prophase I D. Mitosis

Weegy: Crossing-over occurs in Prophase I.
Expert answered|Score 1|Controler|Points 3849|

User: Which one of the following accurately describes the Lac operon? A. The repressor protein binds to the operator when lactose is present. B. RNA polymerase is prevented from transcribing the lac genes when lactose is present. C. RNA polymerase transcribes the lac genes when lactose isn't present. D. The repressor is freed from the operator when lactose is present.

Question
Asked 7/17/2018 1:41:26 AM
Updated 7/17/2018 2:25:21 AM
2 Answers/Comments
This answer has been confirmed as correct and helpful.
Confirmed by matahari [7/17/2018 2:25:07 AM]
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The repressor is freed from the operator when lactose is present. - accurately describes the Lac operon.
Added 7/17/2018 2:25:21 AM
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Which of the following statements regarding human genetic disorders is accurate? A. Nondisjunction can lead to an incorrect number of sex chromosomes. B. Disorders in individual genes can cause disease or provide individuals with a genetic advantage. C. Nondisjunction is responsible for causing Huntington's disease. D. Disorders in individual genes are responsible for Down's syndrome.
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Question
Updated 149 days ago|7/15/2024 12:37:50 AM
1 Answer/Comment
DNA is heated to separate stands would be the first step in using PCR to copy a gene.
Added 149 days ago|7/15/2024 12:37:50 AM
This answer has been confirmed as correct and helpful.
Suppose that species A evolves and species B evolves in response to the changes in Species A. Species A then changes in response to the changes in Species B. This is an example of A. coevolution. B. adaptive radiation. C. extinction. D. convergent evolution.
Weegy: The process by which two species evolve in response to changes in each other over time is called coevolution. User: If a single mutation turns off the growth of some pairs of legs within an organism, what's most likely affected? A. A duplicated gene B. A substituted gene C. A Hox gene D. A deleted gene (More)
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Updated 47 days ago|10/24/2024 5:03:07 PM
1 Answer/Comment
If a single mutation turns off the growth of some pairs of legs within an organism, a Hox gene is most likely affected.
Added 1/30/2021 4:53:54 PM
This answer has been confirmed as correct and helpful.
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