Genetics

The genotype of an organism describes the

• codons that make up the genes
• number of gene's on the chromosmes
• genetic make-up of a trait
• type of chromosomes in the nucleus

Which deals with the transmission of inherited traits from one generation to another?

• anatomy
• ecology
• genetics
• forensics

Which term describes the different forms of a gene

• Chromosome

• Allele

• DNA

• Punnett Squares

Which of the following features is NOT inherited?

• Skin color

• Tatoo

• Hair texture

• Color blindness

You inherit half of your DNA from your mother and half from _______?

• Your father

• Your pet hamster

• Your grandmother

• Your sister

A person who breeds animals keeps careful records of the fur color of parents and offspring from each generation. The fur color is a trait transferred from generation to generation.

What are the structures that carry the information for these traits called?

• organelles

• genes

• muscles

• cytoplasm

The observable expression of a trait is its

• phenotype

• genotype

• chromosome

• allele

What is the definition of Phenotype?

• The diagram that shows all the chromosomes of an individual

• The combination of alleles that control that an individual has for a particular trait

• How many genes on one chromosome

• How a trait is expressed (what it looks like or what it does)

Which of the following is the correct definition for a genotype?

• The physical expression of a gene. (Characteristics)

• A strand of DNA made up of multiple mutations.

• The expression of one of your parents traits.

• The set of genes in our DNA which is responsible for a particular trait.

Genotype: Aa

• homozygous dominant

• homozygous recessive

• heterozygous dominant