Abnormality during egg formation as a nondisjuction in anaphase I of single set of chromosome, but spermatogenesis is normal will produced resulting progeny would be

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#Question id: 5221

#SCPH06 I Botany

Unequal crossing over during Prophase I can result in one sister chromosome with a deletion and another with a duplication. A mutated form of hemoglobin, known as hemoglobin Lepore, is known in the human population. Hemoglobin Lepore has a deleted set of amino acids. If it was caused by unequal crossing over, what would be an expected consequence?

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#Question id: 5218

#SCPH28 | Zoology

Several of the different globin genes are expressed in humans, but at different times in development. What mechanism could allow for this?

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#Question id: 10979

#SCPH28 | Zoology

Which of the following conditions at the A-V node will cause a decrease in heart rate?

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#Question id: 15704

#SCPH05 I Biotechnology

Arabinogalactan and Auxin are the substances used for maintaining the_________ In medium.

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#Question id: 5036

#SCPH28 | Zoology

 The experiments of Spemann and Mangold first defined what feature of amphibian embryos?