Genetics

Trait

• the study of heredity

• a person's version of a trait

• a feature or characteristic of a person

• the passing of traits from parents to offspring

Tags

NGSS.MS-LS4-4

heredity

• the study of herdity

• a part of a person's DNA that influences a trait

• different versions of a gene

• the passing of traits from parents to offspring

Tags

NGSS.MS-LS4-4

recessive

• different versions of a gene

• a person's combination of alleles

• the study of heredity

• represented by a lowercase letter and hides behind the dominant

dominant

• a person's version of a trait

• different versions of a gene

• represented by a capital letter and is the "boss"

• represented by a lowercase letter

Humans have ___ chromosomes in their normal body cells. They received __ from their mother and __ from their father

• 46, 23, 23
• 92, 46, 46
• 48, 24, 24
• 1--, 50, 50

Tags

NGSS.HS-LS3-1

The genes make-up of an organism is referred to as its ___, which are the alleles that are inherited from the parent.

• genotype
• karotype
• heterotype
• phenotype

Gregor Mendel studied heredity using ___ plants

• rose
• maize
• tundra
• pea

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If an allele for a particular trait is not expressed at all when another allele for the trait is present, the allele is

• recessive
• hybrid
• dominant
• incomplete dominance

What is the definition of allele?

• trait that is there, but might not show
• the alternative forms of genes
• the observable chracerisitcs of an organism
• the non observable characteristics of an organism

Tags

NGSS.HS-LS3-1

Which one shows heterozygous?

• pp

• Aa

• BB

• TT