CH 10: Inheritance and genetics

If one pair of an organism's chromosomes carry the same gene at the same locus, the organism is

• homogenous

• heterogenous

• heterozygous

• homozygous

What type of plants did an Austrian monk discover to be nearly perfect for genetics experiments?

The distribution of gametes is ______________, according to the Law of Segregation.

• even

• random

• consistent

• controlled

Fill in the two blanks with the proper sequence of words.

_________________ genes may mask, or cover up, _____________ ones.

• recessive, dominant

• homozygous, heterogenous

• heterogenous, homozygous

• dominant, recessive

The physical expression of a trait is called a _________________.

• gene

• genotype

• phenotype

• allele

The genetic code for a trait is known as a _____________________.

• genotype

• gene

• allele

• phenotype

Some of the traits of the pea plants used in early genetics experiments included _________________ and ________________.

• seed color, flavor

• flower color, seed size

• seed color, plant height

• flower color, leaf size

Traits are inherited independently.

• True

• False

Which of the following are considered to be "rules" of inheritance? ***Check ALL that apply.***

• Only two possible alleles of each trait exist.

• Each trait is controlled by a single gene.

• One allele can be completely dominant to another, recessive, allele.

• To forecast genetic patterns, pea plants must be used.

Who is known as the father of genetics? (First AND Last name)