Shell coiling in snail determine by genetic maternal effect. S for dextral and s for sinistral.  Following cross allowed between

Male	Female	Progeny   (Genotype)
Dextral	sinistral	Dextral (K1)
Dextral	Sinistral	Sinistral (K2)
Sinistral	sinistral	Dextral (K3)
Dextral	Dextral	Sinistral (K4)

Which of the following progeny not have SS genotype?

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#Question id: 11499

#XL - T Zoology

Biologists have long been aware that the defunct kingdom Protista is paraphyletic. Which of these statements is both true and consistent with this conclusion?

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#Question id: 11500

#XL - S Microbiology

The strongest evidence for the endosymbiotic origin of eukaryotic organelles is the similarity between extant prokaryotes and which of the following?

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#Question id: 11501

#XL - S Microbiology

According to the endosymbiotic theory of the origin of eukaryotic cells, how did mitochondria originate?

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#Question id: 11502

#XL - S Microbiology

Which of these statements is false and therefore does not support the hypothesis that certain eukaryotic organelles originated as bacterial endosymbionts? Such organelles

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#Question id: 11502

#XL - T Zoology

Which of these statements is false and therefore does not support the hypothesis that certain eukaryotic organelles originated as bacterial endosymbionts? Such organelles

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#Question id: 11503

#XL - S Microbiology

Which process allowed the nucleomorphs of chlorarachniophytes to be first reduced, and then (in a few species) lost altogether, without the loss of any genetic information?