Practice Questions

TLS Online TPP Program

#Question id: 9605

A phylogenetic tree that is ʺrootedʺ is one

#XL - S Microbiology

that extends back to the origin of life on Earth.
at whose base is located the common ancestor of all taxa depicted on that tree.
that illustrates the rampant gene swapping that occurred early in lifeʹs history.
that indicates our uncertainty about the evolutionary relationships of the taxa depicted on the tree.

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TLS Online TPP Program

#Question id: 4901

#XL - T Zoology

Assume that the alleles A (dominant) and a (recessive) show a maternal effect mode of inheritance. In a cross between an Aa female and an aa male, what would be the phenotypes of the progeny?

TLS Online TPP Program

#Question id: 4901

#XL - R Botany

Assume that the alleles A (dominant) and a (recessive) show a maternal effect mode of inheritance. In a cross between an Aa female and an aa male, what would be the phenotypes of the progeny?

TLS Online TPP Program

#Question id: 4902

#XL - T Zoology

Leber hereditary optic neuropathy (LHON) is mitochondrial diseases present in family. Which of the following observation is correct?

TLS Online TPP Program

#Question id: 4903

#XL - T Zoology

In genetic maternal effect

TLS Online TPP Program

#Question id: 4903

#XL - R Botany

In genetic maternal effect