You perform the three different two-factor crosses (Cross 1: XY and xy, Cross 2: YZ and yz, and Cross 3: XZ and xz). Assume all crosses are between diploid flies homozygous for the alleles of these genes. You observe 7% recombinants in the first cross, 20% recombinants in the second cross, and 13% recombinants in the third cross. if cross between XyZ and xYz leads to which of the followining recombinant with double cross over .

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#Question id: 5561

#Unit 5. Developmental Biology

In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.

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#Question id: 12405

#Unit 6. System Physiology – Plant

Sequestration of auxin in endomembrane compartments, primarily in the__

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#Question id: 8940

#Unit 9. Diversity of Life Forms

Which of the following is a correct association of an animal germ layer with the tissues or organs to which it gives rise?

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#Question id: 5802

#Unit 8. Inheritance Biology

A wild type allele:

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#Question id: 13022

#Unit 10. Ecological Principles

A certain species of pine tree survives only in scattered locations at elevations above 2,800 m in the western United States. To understand why this tree grows only in these specific places an ecologist should