Genetic and Heredity

One trait that is ALWAYS present and causes the other traits to disappear is a ________________________

• recessive trait

• aggressive trait

• absent trait

• dominant trait

_____________________ is the physical appearance of an organism (how it looks)

• phenotype

• ratio

• recessive trait

• heredity

Dominant or recessive?

tt

• Dominant

• Recessive

When the two alleles of a gene are different

• Heterozygous

• Homozygous

• Phenotype

• Genotype

The two alleles that control the phenotype

• phenotype

• genotype

• allele

• gene

The different forms of a gene

• trait

• phenotype

• genotype

• allele

The genotype for a yellow plant is...

• GG

• Gg

• gg

• all of the choices result in yellow

Aa, DD, Ba, and yy are all examples of ---

• genotypes

• phenotypes

Illnesses or disorders caused by an abnormal gene (Examples: Downs and Turner Syndrome -wrong number of chromosomes, Recessive traits - Sickle Cell Anemia, Cystic Fibrosis)

• Mutation

• Genetic Disorder

• Vaccine

• Covid 19

Tags

NGSS.MS-LS3-1

Part of chromosome that controls a trait (30,000 in humans)

• Allele

• Protein

• Gene

• Nucleus

Tags

NGSS.HS-LS3-1