Chapter Test Genetics

T = tall, t = short The genotype for a short plant is...

• TT

• Tt

• tt

• all of the choices result in yellow

Which of the following best describe GENETICS?

• A kind of genetic disorder
• The way DNA divides
• A trait you inherit from your parents
• The passing down of traits from parents to children

having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

having two different genes for a trait (sometimes called hybrid).

• protein
• homozygous
• heterozygous
• genotype

Where, in the eukaryotic cell, is DNA located?

• ribosomes
• nucleus
• E.R.
• cytoplasm

Which of the following best describes a heterozygous?

• An organism that has the same genes for a trait (GG or gg)

• An organism that has different genes for a trait (Gg)

• When neither gene is fully dominant; offspring is a mixture of both
• the different forms of a trait (hair color--> brown, blonde, red

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

What is heredity?

• A kind of genetic disorder
• The way DNA divides
• A trait you inherit from your parents
• The passing down of traits from parents to children

Which statement is true?

• Your DNA is the same as your siblings.
• Your set of DNA is identical to your mothers.
• Your set of DNA is identical to your fathers.
• Your DNA is unique to you.

Which of the following controls the inherited traits?

• genetic information in the genes
• the environment a baby is born into
• the nucleus and mitochondria
• none of the above