In the Eighth Century, Tang Armies Experienced a Series of Defeats

question 17

Multiple Choice

In the eighth century, Tang armies experienced a series of defeats at the hands of all of the following except:

• A) Mongols
• B) Arabs
• C) Tibetans
• D) Koreans

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Definitions:

Genome

The complete set of genes or genetic material present in a cell or organism.

Codominance

A genetic scenario where two alleles of a gene pair in a heterozygote are fully expressed, resulting in offspring with a phenotype that is neither dominant nor recessive.

Allele

Alternative form of a gene; a gene pair contains two alleles.

Dominant Gene

A gene that expresses its phenotype over another gene (the recessive gene) when the two are present in a heterozygous condition.