Why Is Only One Copy of DNA Made Per Cell

question 2

Multiple Choice

Why is only one copy of DNA made per cell division cycle in eukaryotes despite the presence of multiple origins of replication?

• A)There is only one origin of replication per chromosome.
• B)The rate of elongation proceeds at a rate that allows only one copy to be made by the time the cell divides.
• C)The activity of an S-phase protein kinase controls the formation of the pre-replication complex.
• D)Primase is activated by phosphorylation only at the onset of S-phase by S-phase protein kinase.

Distinguish between direct and indirect request strategies and their appropriate use in persuasive communication.

Understand the implications and results of international assessments like PISA.

Comprehend the physical and sexual development processes during puberty.

Recognize the challenges and completion rates in higher education.

---

Definitions:

Pleiotropy

A genetic phenomenon in which a single gene influences multiple phenotypic traits in an organism.

Polygenic Inheritance

A type of genetic inheritance where multiple genes determine a trait, resulting in a continuous range of possibilities.

Incomplete Dominance

Incomplete dominance is a genetic situation in which neither allele is dominant, resulting in an offspring with a phenotype that is a blend of the parental traits.

Codominance

A genetic scenario where two alleles are both expressed equally in the phenotype of the heterozygote, instead of one being dominant over the other.