Genetics: The Science of Heredity

The sex cells produced by meiosis have _______ the number of chromosomes as the parent cells.

What does the notation TT mean to geneticists?

Which term refers to physical characteristics that are studied in genetics?

What happens during meiosis?

An organism’s ___________ is its allele combinations.

What does a Punnett square show?

A hybrid is the offspring of parents that have ______ alleles for a trait.

Mendel crossed purebred short plants with purebred tall plants, all of the offspring were....

A(n) _____ organism is the offspring of many generations of organisms that have the same trait.

What did Gregor Mendel do to study different characteristics in his genetics experiments?

What is the prob. of producing a tall pea plant from a cross between 2 hybrid tall pea plants?

Alleles that are neither dominant nor recessive produce an inheritance pattern known as ______.

The process in which a parent cell divides twice to produce sex cells is called _____________.

What is the chromosome theory of inheritance?

White pb chkn crossed with pb black chicken has offspring with black and white feathers. Why?

Which of the following traits is influenced by both inheritance and environmental factors?

A pea plant that is _______ for tall stems has the alleles Tt.

If a(n) ____________________ allele is present, its trait will appear in the organism.

Mendel used the principles of _ to predict what % of offspring would show a particular trait.

An organism’s genotype is its