Recessive Genes Are Usually Expressed in Humans Only When

question 50

Multiple Choice

Recessive genes are usually expressed in humans only when .

• A) they are coding for genetic diseases
• B) they are coding for skin color
• C) both alleles are exactly the same, or homozygous
• D) the organism is in the embryonic stage

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Definitions:

Islands Formation

The process by which islands are created, often through volcanic activity, sediment deposition, or coral reef buildup.

Pacific Ocean

The largest and deepest of the world's ocean basins, extending from the Arctic in the north to the Southern Ocean in the south.

Seafloor Spreading

The process by which new oceanic crust is created at mid-ocean ridges as tectonic plates diverge, allowing magma from the mantle to cool and solidify.

Lesser Antilles

A chain of smaller islands stretching from the Virgin Islands to Trinidad and Tobago, separating the Caribbean Sea from the Atlantic Ocean.