Genetics and Inheritance Vocab Practice

What is the term used to describe the physical characteristics of an organism?

• Genotype

• Phenotype

• Allele

• Chromosome

Tags

NGSS.HS-LS3-1

In a heterozygous condition, if both alleles are expressed equally, this is an example of:

• Incomplete dominance

• Complete dominance

• Codominance

• Recessiveness

What does the term "genotype" refer to?

• The physical appearance of an organism

• The set of genes in our DNA which is responsible for a particular trait

• The study of genes and their roles in inheritance

• The variations of a gene that can cause different traits

Tags

NGSS.HS-LS3-1

If a pea plant has a genotype of "Tt", what does this indicate about its traits?

• It is homozygous dominant.

• It is homozygous recessive.

• It is heterozygous.

• It cannot be determined.

Tags

NGSS.HS-LS3-1

Which of the following best describes an allele?

• A singular gene

• A type of chromosome

• A dominant trait

• A phenotype

Tags

NGSS.MS-LS4-4

In codominance, the phenotype of the heterozygotes (AB) will be:

• A blend of the two homozygous phenotypes.

• Identical to the dominant homozygous phenotype.

• A mixture where both traits are fully and separately expressed.

• Identical to the recessive homozygous phenotype.

an organism that has inherited a recessive allele for a genetic trait or mutation but does not display that trait or show symptoms of the disease.

• carrier

• heredity

• phenotype

• purebred

Geneticists can use this to predict the possible genotypes of offspring

• Punnett Square

• Punnett Circle

• Gendelian chart

• microscope diagram

The name for an organism that has two of the same alleles for a trait (ex. TT or tt) is ...

• Heterozygous

• Homozygous

A trait that is controlled by two different alleles for the same trait, such as "Tt" or "Ww" has what genotype?

• Homozygous

• Heterozygous