Genetics

Which of the following characteristics (traits) can be inherited?

• curly hair

• beautiful handwriting

• multiplying numbers

• playing a piano

Which statement best describes a learned behavior?

• a quality or physical feature you develop sometime in your life

• something an organism does as a result of its environment or how it has been taught

• something an organism does because of its genes

Which trait is most likely INHERITED from a parent?

• Riding a bike

• Pierced ears

• How tall you are

• Spelling

If a person has a dominant factor and a recessive factor for a certain trait, which factor will be expressed?

• dominant

• recessive

• both

• F1 generation

Answer explanation

Dominant refers to an allele that masks the presence of another allele for the same gene when both are present.

Mendel discovered that the factor controlling wrinkled seeds (rr) in peas is ____

Both a homozygous dominant and heterozygous genotype can result in the same dominant phenotype.

• true

• false

A type of reproduction that involves two parents.

The offspring look different from the parents.

• heredity

• phenotype

• sexual reproduction

• asexual reproduction

A type of reproduction that involves one parent. The offspring look genetically identical to the parent.

• asexual reproduction

• sexual reproduction

• genotype

• alleles

The set of instructions that is found in DNA

• phenotype

• meiosis

• trait

• gene

The process that creates new cells for the body

• mitosis

• meiosis

• mutation

• selective breeding