Typically as cells grow, their increase in volume outpaces their increase in surface area, and continued survival requires undergoing asexual reproduction to reestablish a healthy surface area to volume ratio. Thus, which of these is least likely to contribute to the ability of a single-celled foraminiferan to grow to a diameter of several centimeters?

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#Question id: 5740

#XL - R Botany

Pollen from one species germinates on the stigma of another related species and sexually fertilizes the ovule. Most of the resulting plants are sterile but some of the resulting offspring undergo chromosome duplication resulting fertile plants. The fertile offspring are known as

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#Question id: 5741

#XL - S Microbiology

In a mammal 2 Barr bodies are observed.  How many X chromosomes does the organism have?

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#Question id: 5741

#XL - T Zoology

In a mammal 2 Barr bodies are observed.  How many X chromosomes does the organism have?

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#Question id: 5742

#XL - S Microbiology

When an allotetraploid (AABB) is backcrossed to one of its progenitor species (AA), a sterile progeny is produced.  The genomic composition of this sterile individual can be best represented by

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#Question id: 5743

#XL - S Microbiology

Euploidy is

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#Question id: 5743

#XL - T Zoology

Euploidy is