Four incompletely link gene as cis configuration, Heterozygote ABCD/abcd produced a gamete with genotype AbCD is due to

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#Question id: 23451

#Aptitude

You are returning home from school. On the way, you find a sealed envelope in a street, fully addressed with unused stamps on it. You would:

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#Question id: 12748

#13. Methods in Biology

Name the technique which uses an enzyme that produces a colorimetric or luminescence product.

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#Question id: 3898

#3. Fundamental Processes

Which one of the following classes is expressed in the unfertilized egg and is involved in directing the spatial organization of the Drosophila embryo early in development?

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#Question id: 9259

#9. Diversity of Life Forms

The oceans affect the biosphere in all of the following ways except

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#Question id: 16118

#7. System Physiology – Animal

Following statements are regarding to the heat production by the activation of sympathetic nervous system.

A. Activation is stimulation of β receptors in brown fat, which increases metabolic rate and heat production.

B. Activation is stimulation of α2 receptors in brown fat, which increases metabolic rate and heat production.

C. Stimulation of α1 receptors in vascular smooth muscle of skin blood vessels, producing vasoconstriction. Vasoconstriction reduces blood flow to the surface of the skin.

D. Stimulation of α1 receptors in vascular smooth muscle of skin blood vessels, producing vasodilation. Vasodilation reduces blood flow to the surface of the skin.

Which of the following combination is correct?