Which factors are expressed In hindlimb bud initiation?

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#Question id: 5097

#Unit 5. Developmental Biology

The embryonic precursor to the human spinal cord is the ________.

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#Question id: 23857

#Unit 13. Methods in Biology

Which was developed by a British researcher and causes DNA sequences to be transferred to a membrane and identified with a probe?

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#Question id: 4943

#Unit 11. Evolution and Behavior

In what way were conditions on the early Earth of more than 3 billion years ago different from those on todayʹs Earth?

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#Question id: 23682

#Unit 13. Methods in Biology

Assume that you are trying to insert a gene into a plasmid. Someone gives you a preparation of genomic DNA that has been cut with restriction enzyme X. The gene you wish to insert has sites on both ends for cutting by restriction enzyme Y. You have a plasmid with a single site for Y, but not for X. Your strategy should be to

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#Question id: 29101

#Unit 8. Inheritance Biology

A cross between two yellow heterozygous mice produces an initial genotypic ratio of 1/4 YY, 1/2 Yy, and 1/4 yy, the F1 progeny showing lethality in their ratio, if F1 yellow heterozygous mate with nonyellow mice what will be the ratio in F2 generation?