Genetics/Heredity Unit Test

​​ (a)   is the study of how genes interact.

• Genetics
• heredity
• a mutation
• a chromosome
• alleles

Why do children often look like their parents?

• A. because they eat the same foods as their parents

• B. because they inherit some traits from both their parents

• C. because they grow up in the same environment as their parents

• D. because boys inherit traits from their fathers, while girls inherit traits from their mothers

Where in the cell is DNA found?

• Nucleus

• Cytoplasm

• Chloroplast

• Cell Membrane

The shape of DNA was discovered to be a _____

• single helix
• double helix
• triple helix
• none one has found out that information

The study of how traits are passed from parent to offspring is called ​ ​ (a)  

• heredity
• an allele
• a mutation
• a chromosome
• a gene

When DNA coils tightly around proteins ​ (a)   are formed.

• chromosomes
• genes
• mutations
• alleles
• fragments

A gene determines a __________ such as eye or hair color.

• nucleus

• DNA

• chromosome

• Trait

Who is considered to be the "father of genetics" following his work with breeding generations of pea plants.

• Albert Einstein

• Gregor Mendel

• Jonas Salk

• Louis Pasteur

Why did Gregor Mendel choose to use pea plants for his experiments with geneitics?

• They were easy to grow.

• The traits were easy to see.

• The self pollinate and grow fast.

• All of these are correct.

What tool (shown below) is used to see the genotype probability of the offspring after breeding?

• Pie chart
• Punnett Square
• Gene grid
• Allele graph