Copy of 2024 3/25 Bio Review Quiz

Which of the following are the highest degree of certainty in science? Mark all that apply.

• hypothesis
• theory
• law

An allele that is always expressed whenever it is present is called

• superior
• inferior
• dominant
• recessive

What process produces cells with a haploid (1N) number of chromosomes?

• mitosis
• meiosis
• karyotype
• transcription

The phenotype of an organism

• occurs only in dominant individuals.
• is the physical appearance of a trait.
• cannot be seen.
• is used to represent its genetic composition.

If an individual possesses two recessive alleles for the same trait, the individual is said to be

• haploid for the trait.
• mutated.
• homozygous for the trait
• heterozygous for the trait

Tallness (T) is dominant to shortness (t) in pea plants. Which of the following represents a genotype of a pea plant that is heterozygous for tallness?

• TT
• Tt
• tt
• T

homozygous : heterozygous ::

• Gg:Tt
• GG:Gg
• GG:TT
• GG:gg

What is the expected genotypic ratio resulting from a heterozygous ´ heterozygous monohybrid cross?

• 3:1
• 1:2:1
• 9:3:3:1
• 5:1

The information contained in a molecule of messenger RNA is used to make protein during the process of

• replication
• termination
• transcription
• translation
• percolation