A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. Assuming that none of the following genes is absolutely conserved, which of the following would be the best choice on which to base the phylogeny?

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#Question id: 4926

#SCPH12 I Genetics

Shell coiling in snail is determined by genetic maternal effect for a single loci having D allele for dextral coiling but S allele for sinistral coiling. D dominant over S. which of the following cross would produced all progeny that is dextral coiling ?

I- DD Male X SS female

II- DD Male X DS female

III- SS Male X DD female

IV - DS Male X DS female

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#Question id: 2083

#SCPH05 I Biotechnology

Sphingolipids are considered amphipathic glycolipids if:

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#Question id: 5571

#SCPH01 Biochemistry

Environmental cues that influence the timing of reproduction generally do so by ________.

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#Question id: 2274

#SCPH01 Biochemistry

Unlike those of prokaryotes, eukaryotic cell walls are composed of

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#Question id: 1541

#I Life Science/ Life Sciences Group – I-V

Nonphagocytic cell of immune system,