Middle School Genetics

A dominant allele is represented by a ______ letter.

• lower-case

• capital

If a black guinea pig (BB) and a white guinea pig (bb) mate, there is a ______ chance that a white guinea pig will be born.

• 0%

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What is the shape of DNA?

• Single helix

• Double helix

• Triple helix

• Quadruple helix

Who is known as the father of genetics?

• Charles Darwin

• Gregor Mendel

• James Watson

• Francis Crick

What are the four nitrogenous bases in DNA?

• Adenine, Guanine, Cytosine, Thymine

• Adenine, Guanine, Cytosine, Uracil

• Alanine, Guanine, Cytosine, Thymine

• Adenine, Glycine, Cytosine, Thymine

In Mendelian genetics, what is the term for traits that are masked by dominant traits?

• Dominant

• Recessive

• Codominant

• Incomplete dominance

What is the process called when DNA is copied into RNA?

• Translation

• Transcription

• Replication

• Mutation

What is the term for the physical appearance of an organism's genetic makeup?

• Genotype

• Phenotype

• Allele

• Chromosome

How many chromosomes do humans have in each cell?

• 23

• 46

• 92

• 44

What is the term for a change in the DNA sequence?

• Mutation

• Replication

• Transcription

• Translation

Tags

NGSS.HS-LS3-2