Genetics Review

A ______________ is a segment of DNA molecule that gives instructions for making a protein.

• allele
• gene
• genotype
• genome

Tags

NGSS.HS-LS1-1

_________________ are different forms of the same gene.

• Genes
• Chromosomes
• DNA
• Alleles

Tags

NGSS.HS-LS3-2

The expression or the actual physical characteristics are known as _________.

• Phenotypes
• Genotypes
• Alleles
• DNA molecules

Tags

NGSS.HS-LS3-1

The exact pairing of the alleles such as BB, bb, or Bb are known as _________.

• Phenotypes
• Genotypes
• Proteins
• Genes

Tags

NGSS.HS-LS3-1

If both copies of a gene have the same allele, the person is __________ for that trait.

• heterotrophic
• Recessive
• heterozygous
• homozygous

Tags

NGSS.HS-LS3-2

If the two copies of a gene have different alleles, the person is _________________ for that gene.

• homozygous
• heterozygous
• mutation
• selective breeding

Tags

NGSS.HS-LS3-2

An example of an heterozygous allele combination is 

• Aa
• BB
• ff
• ZZ

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An example of a homozygous dominate allele combination is _____________.

• HH
• hh
• Hh
• zz

Tags

NGSS.HS-LS3-2

Dominate traits are always more common.

• True
• False

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-3

NGSS.HS-LS4-4

Traits are influenced by just nature.

• True
• False

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS4-5