In some goats, the presence of horns is produced by an autosomal gene that is dominant in males and recessive in females. A horned female is crossed with a hornless male. The F1 offspring are intercrossed to produce the F2. What proportion of the F2 offspring will have horns?

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#Question id: 8895

#SCPH06 I Botany

What is one characteristic that separates chordates from all other animals?

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#Question id: 3038

#SCPH28 | Zoology

If a culture starts with 50 cells, how many cells will be present after five generations with no cell death?

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#Question id: 1708

#SCPH05 I Biotechnology

When antigen reaches a lymph node in a primed animal:

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#Question id: 4358

#SCPH28 | Zoology

Which of the following mechanisms is used to coordinate the expression of multiple, related genes in eukaryotic cells?

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#Question id: 5448

#SCPH28 | Zoology

Plant height control by 3 pair of polygene, two varieties of maize averaging 48 and 72 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 60 inches in height. What is number of average phenotype out of 500 F2 plants?