A cluster of tumor cells that produces and secretes growth factors to induce surrounding cells to grow and divide is showing which type of cell-to-cell signaling?

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#Question id: 26813

#Unit 8. Inheritance Biology

Which one of the following statements is INCORRECT?

TLS Online TPP Program

#Question id: 26814

#Unit 8. Inheritance Biology

Phenotypic variation is analyzed for milk production in a herd of dairy cattle and the following variance components are obtained: Additive genetic variance= 0.4, Dominance genetic variance= 0.1, Genic interaction variance= 0.2, Environmental variance= 0.5, Genetic−environmental interaction variance= 0.0,  the heritability (H2) of milk production is___

1.20

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#Question id: 5737

#Unit 8. Inheritance Biology

When an organism gains one extra copy of a chromosome but not a complete haploid set, the conditions is known as

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#Question id: 5738

#Unit 8. Inheritance Biology

It was once thought that the ____ karyotype was related to criminal disposition because it led to aggressive behavior due to excessive "maleness".

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#Question id: 5739

#Unit 8. Inheritance Biology

Polyploid plants found in nature usually have even numbers of chromosomes because organisms having odd numbers

TLS Online TPP Program

#Question id: 5740

#Unit 8. Inheritance Biology

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