Genetic Vocab Quiz 1 practice

Which statement best defines genetics in this unit’s vocabulary bank?

• The study of how organisms interact in ecosystems

• The scientific study of heredity

• The process of classifying organisms by traits

• The methods humans use to select desired traits

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Heredity refers to which process described in the vocabulary bank?

• Passing physical characteristics from parent to offspring

• Random changes in DNA caused by outside factors

• Producing offspring between different species

• Predicting the likelihood that an event will occur

Tags

NGSS.HS-LS3-1

According to the vocabulary, what is an allele?

• A complete chromosome

• An alternate version of a gene; one inherited from each parent

• A group of organisms living together in a habitat

• A table used to display genetic cross outcomes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which option correctly describes a dominant allele in this vocabulary set?

• An allele whose trait is hidden when present

• An allele represented by a lowercase letter

• An allele whose trait always appears when present, represented by a capital letter

• An allele that only shows when paired with another recessive allele

What characterizes a recessive allele in the definitions provided?

• Its trait always shows up when present

• It is represented by a capital letter

• It is hidden when a dominant allele is present and represented by a lowercase letter

• It determines probability of outcomes

In the vocabulary bank, which term describes having two different alleles for a trait?

• Homozygous/Purebred

• Heterozygous/Hybrid

• Genetic diversity

• Mutation

Genotype is defined as which of the following?

• An organism’s physical makeup or traits

• An organism’s genetic makeup or allele combinations (e.g., Hh)

• Structures that contain DNA and are passed to offspring

• Sections of DNA carried on chromosomes

Which statement best defines phenotype?

• The likelihood that an event will occur

• An organism’s physical makeup or traits, such as hair color or height

• The genetic makeup or allele combinations

• A permanent change in DNA

Tags

NGSS.HS-LS3-1

According to the definitions, genes are best described as:

• Structures that contain DNA and are passed to offspring

• Sections of DNA carried on chromosomes that determine specific characteristics; you have two copies of every gene because you have pairs of chromosomes

• A table listing possible outcomes of a genetic cross

• The process of humans choosing parents of the next generation

Tags

NGSS.HS-LS3-1

NGSS.HS-LS1-1

Which term refers to structures that contain DNA and are passed to offspring?

• Genes

• Chromosomes

• Traits

• Populations

Tags

NGSS.HS-LS3-1