Inherited Traits

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

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

• Phenotypes
• Genotypes
• Alleles
• DNA molecules

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

• Phenotypes
• Genotypes
• Proteins
• Genes

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

• heterotrophic
• Recessive
• heterozygous
• homozygous

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

• homozygous
• heterozygous
• mutation
• selective breeding

Traits are influenced by just nature.

• True
• False

In a heterozygous person often a _______ allele determines the phenotype

• recessive
• dominant
• hidden
• masked

What does TT represent to geneticists?

• two recessive alleles
• two dominant alleles
• one recessive and one dominant allele
• none of the above

What is the phenotype of a bird which the genotype Bb?  
B-blue  b-red

• blue
• red