Genetics Vocabulary Review

A gene is.......

• A section of DNA that codes for a specific protein

• The genetic makeup of an organism

• Made up of DNA and protein combined as chromatin

• The physical trait of an organism

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What are alleles?

• The genetic code of an organism

• The physical trait of an organism

• Different forms of a gene

• A codon on the RNA sequence

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Eye color: Genotype or phenotype?

• Genotype

• Phenotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is an example of a phenotype?

• hh
• Red Hair
• Hh
• DNA

Tags

NGSS.HS-LS3-1

What is a phenotype?

• An organism that has the same genes for a trait (ex. TT or tt)
• refers to the genetic makeup of an individual
• the passing of traits from parent to offspring
• The expression of a trait; physical appearance.

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The passing of genetic traits from parent to offspring is called ______.

• Heredity
• Genes
• Phenotype
• Allele

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the genotype(s) below is/are Homozygous?

• HH

• Hh

• hh

Which of the genotype(s) below is/are heterozygous?

• MM

• Mm

• mm

A dominant allele....

• Expresses its effects over a recessive allele

• Is represented by a lower case letter (Ex. t)

• Doesn't expresses its effects if paired up with a recessive allele

• Is represented by a capital letter (Ex. T)