Which character showing may be the size, shape, coloration, and many other traits similar  in diverse lineages, due to this have to moving towards the gene  level ?

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#Question id: 3363

#Unit 11. Evolution and Behavior

An autosomal recessive condition affects 1 newborn in 100 in a random mating population without any disruptive acting force. What is the approximate expected frequency of carriers in this population?

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#Question id: 18875

#Unit 9. Diversity of Life Forms

Assuming that they all belong to the same plant, arrange the following structures from smallest to largest. 

1. Antheridia 2. Gametes 

3. Gametophytes               4 .gametangia 

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#Question id: 1042

#Unit 4. Cell Communication and Cell Signaling

A student complains that it makes no sense to worry about coliform bacteria in water, since we naturally possess harmless coliforms in our intestines anyway. Why do regulatory agencies worry about coliform bacteria in water supplies, then?

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#Question id: 12504

#Unit 8. Inheritance Biology

In this pedigree II 3 and III 1 are affected with an X-linked recessive disorder which is tightly linked to a marker locus with alleles A and B, with a recombination fraction of 0 between the disease and marker loci. Analysis of the linked marker results indicates that the disease must be segregating with:

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#Question id: 1786

#Unit 4. Cell Communication and Cell Signaling

Which of the enzyme can cleave C3 and C4 complement protein