Vocabulary Genetics and Alleles Concepts

Front

What type of gene is ALWAYS expressed if it is present?

Back

Dominant gene is always expressed when present.

Front

The different forms of a characteristic are called ___________.

Back

Traits are the different forms of a characteristic.

Front

Which of the following means that a cell has 1 copy of each chromosome, or 1/2 the normal amount?

Back

Haploid means having one copy of each chromosome.

Front

A display of the chromosome pairs of a cell arranged by size and shape with the sex chromosomes last is called?

Back

A Karyotype is a display of chromosome pairs.

Front

Mendel's Law that states one trait shows itself more than another is the?

Back

Law of Dominance states one trait is more dominant.

Front

What is the term for the physical expression of a trait?

Back

Phenotype is the physical expression of a trait.

Front

What is the term for the genetic makeup of an organism?

Back

Genotype is the genetic makeup of an organism.

Front

What do you call the alternative forms of a gene?

Back

Alleles are alternative forms of a gene.

Front

What is the process called when alleles separate during gamete formation?

Back

Segregation is the process where alleles separate.

Front

What is the term for an organism that has two identical alleles for a trait?

Back

Homozygous refers to having two identical alleles.