Sci Tut 6.3 - 6.5

Distinguishing characteristics that are inherited

• Genetics

• Traits

• Genomes

Examples of traits in offspring (2)

• shirt color

• hair color

• temperature

• height (altura)

The study of biological inheritance patterns and variation in organisms

• Biology

• Physics

• Chemistry

• Genetics

A phenotype that results from a dominant allele must have at least ____ dominant allele present in parents. (Para expresar un fenotipo dominante, debe haber al menos ____ alelo dominante.)

• 4

• 2

• 1

When an organism inherits ALL of the parent organisms´ characteristics, and is GENETICALLY UNIFORM, it is considered to be

• cross

• purebred

• haploid

The Law of Segregation states... (2 answers)

• organisms inherit 2 copies of each gene (una copia de cada padre)

• organisms donate only one copy (padres dan una copia a su hijo)

• Each parent donated 46 chromosomes to their children (cada padre da 46 cromosomas a sus hijos)

Mating of two organisms is called... (apareamiento)

• segregation

• cross

• Punnett Square

The allele that is expressed... (R)

• recessive

• genome

• dominant

The allele that is only expressed when two are present (r)...

• heterozygous

• recessive

• dominant

All possible forms of a gene

• allele

• gene

• genotype