Genetics Review

Front

A ______________ is a segment of DNA molecule that gives instructions for making a protein.

Back

gene

Front

What are different forms of the same gene?

Back

Alleles

Front

The expression or the actual physical characteristics are known as _________.

Back

Phenotypes

Front

The exact pairing of the alleles such as BB, bb, or Bb are known as _________.

Back

Genotypes

Front

If both copies of a gene have the same allele, the person is __________ for that trait.

Back

homozygous

Front

If the two copies of a gene have different alleles, the person is _________________ for that gene.

Back

heterozygous

Front

An example of a heterozygous allele combination is: Aa, BB, ff, ZZ

Back

Aa

Front

An example of a homozygous dominate allele combination is _____________. Options: HH, hh, Hh, zz

Back

HH

Front

Are dominant traits always more common?

Back

False

Front

Are traits influenced by just nature?

Back

False