7th - What is Heredity?

The scientific study of heredity is called ________.

• Genetics

• Mendel's Discovery

• The Study of Genes

• The Study of Traits

A ________ organism is the offspring of many generations that have the same form of a trait.

• hybrid

• purebred

• thoroughbred

• pureblood

Capital letters are used to represent ________ alleles.

• controlling

• recessive

• dominant

• passive

Mendel called an individual that has one dominant allele and one recessive allele for a trait a ________.

• mixture

• crossbreed

• purebred

• hybrid

Mendel said that the factors that control a trait exist in ________.

• pairs

• trios

• quartets

• quintets

A seed can be round or wrinkled. Seed shape is a(n) ________.

• gene

• trait

• allele

• feature

Tags

NGSS.MS-LS4-4

When parent plants are crossed, scientists refer to the first generation of offspring as ________.

• P

• 1^F

• F₁

• F₂

The alleles for a hybrid tall pea plant are represented as ________.

• tt

• TT

• Tt

• All of the above

Today, scientists use the word ________ to describe the factors that control a trait.

• mutation

• inheritance

• allele

• gene

A ________ allele is hidden whenever the dominant allele is present.

• recessive

• inactive

• dormant

• suspended