If a Trait May Appear in the Phenotype When Only

question 134

Multiple Choice

If a trait may appear in the phenotype when only one gene for it is present, that trait is called:

• A)dominant
• B)strong
• C)recessive
• D)homozygous

---

Definitions:

Unicellular

Organisms that consist of a single cell, performing all life functions within that cell.

CRISPR Research

Scientific studies focused on the CRISPR-Cas9 system, a genome editing tool that allows researchers to easily alter DNA sequences and gene function.

Mosquito-Borne Diseases

Diseases transmitted by mosquitoes, including malaria, dengue fever, and Zika virus.

HIV

Human Immunodeficiency Virus, a virus that attacks the immune system and can lead to Acquired Immune Deficiency Syndrome (AIDS) if not treated.