SOL Review U8D3- DNA/Genetics

Multiple Choice

What is the shape of the DNA molecule?

• Double Helix

• Single Strand

• Triple Helix

• Circular

Multiple Choice

What are the stages from cells to organisms as shown in the diagram?

• Cells, Tissues, Organ, Organ System, Organism

• Cells, Organ, Tissues, Organism, Organ System

• Organism, Organ System, Organ, Tissues, Cells

• Tissues, Cells, Organ, Organ System, Organism

Multiple Choice

Why are proteins important in living organisms?

• They provide energy

• They carry out most functions

• They store genetic information

• They form cell membranes

Multiple Choice

What is the primary location of chromosomes within a cell?

• Nucleus

• Cytoplasm

• Mitochondria

• Ribosome

Fill in the Blank

DNA is composed of four nitrogenous bases: Adenine, Thymine, Guanine, and ___.

Multiple Choice

Which nitrogenous base pairs with Adenine in DNA?

• Thymine

• Cytosine

• Guanine

• Uracil

Multiple Select

Which of the following are components of DNA?

• Sugars

• Phosphates

• Proteins

• Lipids

Multiple Choice

What is the difference between a gene and an allele?

• A gene is a segment of DNA, while an allele is a variant of a gene.

• A gene is a protein, while an allele is a type of cell.

• A gene is a type of chromosome, while an allele is a segment of DNA.

• A gene is a trait, while an allele is a characteristic.

Fill in the Blank

Fill in the blank: In genetics, alleles are different forms of a ___.

Multiple Choice

What is the gene and what are the alleles represented in the image with green and pink colors?

• Gene: Hair color, Alleles: Black and Blonde

• Gene: Eye color, Alleles: Blue and Brown

• Gene: Skin color, Alleles: Light and Dark

• Gene: Height, Alleles: Tall and Short

Multiple Choice

What does the term 'homie-zygous' humorously refer to in the context of genetics?

• Homozygous condition

• Heterozygous condition

• Dominant allele

• Recessive allele

Multiple Choice

Which of the following is an example of a homozygous condition?

• Two identical alleles for a trait

• Two different alleles for a trait

• One dominant and one recessive allele

• A single allele for a trait