Genetics

What is the study of genes and inheritance known as?

• Genetics

• Chemistry

• Physics

• Astronomy

An organism's observable physical features are also called what?

• Genotype

• Phenotype

Check any/all phenotypes described below

• Tall

• Green eyes

• Hh

• Spotted fur

• bb

An organism's genetic code is also called what?

• Genotype

• Phenotype

Check any/all genotypes described below

• Rr

• Striped shell

• Curved beak

• TT

• Curly hair

You inherit a recessive allele from your mother and a dominant allele from your father. Which allele will be expressed?

• The recessive allele

• The dominant allele

A widow's peak is a dominant trait. If you inherit a RECESSIVE allele from your mother and a DOMINANT allele from your father, what type of hairline will you have?

• Widow's peak hair line

• Straight hair line

Attached earlobes are a recessive trait. If you receive a DOMINANT allele from each of your parents, what kind of earlobes will you have?

• Attached earlobes

• Detached (free) earlobes

A cleft chin is a dominant trait. If you receive a RECESSIVE allele from each of your parents, what type of chin will you have?

• Cleft chin

• Smooth chin

Genotype refers to the ...

• physical expression of the genes
• the possible combination of alleles in a gene
• whether an allele is dominant or recessive
• how an organism will appear