Regular Lawn Mowing Selects for Short-Headed Rather Than Tall-Headed Dandelions

question 43

Multiple Choice

Regular lawn mowing selects for short-headed rather than tall-headed dandelions because

• A) Tall flowers spread their seeds farther
• B) Tall flowers are cut before they can produce seeds
• C) Short flowers can reproduce
• D) Short flowers spread their seeds farther
• E) Short flowers have less competition when the lawn is mowed often

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Definitions:

Parental Strand

The original strand of DNA that serves as the template for the production of a complementary strand during DNA replication.

Eukaryotic Chromosomes

Linear structures found in the nucleus of eukaryotic cells, made up of DNA and proteins, that contain genes and function in heredity and gene expression.

Telomerase

An enzyme that adds DNA sequence repeats to the ends of DNA strands in the telomere regions, which are found at the ends of eukaryotic chromosomes. This activity can preserve the length of chromosomes and has implications in aging and cancer.

Lengthened

Describes something that has been made longer in duration or size.