In 1953 the Structure of _____ Was Determined,as Well as Its

question 22

Multiple Choice

In 1953 the structure of _____ was determined,as well as its role as the hereditary material for various organisms.

• A) Amino acids
• B) DNA
• C) Protein
• D) Carbohydrates
• E) Lipids

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Definitions:

Monozygotic Twins

Identical twins that result from the division of a single fertilized egg and share exactly the same genetic material.

Dizygotic Twins

Also known as fraternal twins, these are two siblings born from separate eggs and fertilized by different sperm cells, sharing about 50% of their DNA.

Twin-Study Design

A research method that compares the behaviours and traits of monozygotic (identical) and dizygotic (fraternal) twins to understand the influence of genetics versus environment.

Monozygotic Twins

Twins derived from a single fertilization event, resulting in siblings with identical genetic material.