1b Review

The passing of traits from parents to offspring is called ____.

• phenotype

• pedigree

• genetics

• heredity

The set of instructions that is found in DNA

• phenotype

• meiosis

• trait

• gene

The different variations of a gene. Letters are used to represent each version.

For example: B - brown or b - blue

• genes

• alleles

• trait

• phenotype

An organism's physical appearance of a trait.

It is what you see.

• phenotype

• genotype

• trait

• dominant

The genetic makeup of an organism.

It is represented using pairs of letters such as TT, Tt, or tt.

• DNA

• genes

• phenotype

• genotype

Allele

• Patrick Star's siren sound

• a different version of a gene

• A piece of DNA that codes for a trait

phenotype

• the way an organism looks

• A section of DNA

• The allele combination an organism has

Which of the following statements about chromosomes is correct?

• Chromosomes are long, thread-like structures

• Chromosomes are found in the nucleus of all cells in the human body

• Chromosomes contain DNA

• All of the above

Of the chromosomes in your cells, how many are sex chromosomes?

• 1

• 2

• 3

• 4

What are genes?

• Pants

• Specific traits

• Sections of DNA arranged along the chromosomes

• Chromosomes