Genetics Vocabulary

Which sentence shows the correct relationship between the word allele and gene?

• allele is a type of gene
• gene is a type of allele
• genes and alleles have DNA
• genes are larger than alleles

The study of genetics is

• how genes produce traits that are inherited
• how genes bring about characteristics
• how living things inherit
• how proteins are made

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What allele is represented in the picture?

• Chromosome
• Gene
• Unattached
• Earlobe

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Select the correct allele key if hairline shape is due to a single gene. Widow's peak is the dominant trait and straight hairline is recessive.

• A
• B
• C
• D

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

AA

• Homozygous Dominant
• Homozygous Recessive
• Heterozygous
• Heterozygous Dominant

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS4-3

Pp

• Homozygous Dominant
• Homozygous Recessive
• Heterozygous
• Heterozygous Dominant

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Mm

• Homozygous Dominant
• Homozygous Recessive
• Heterozygous
• Heterozygous Dominant

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

rr

• Homozygous Dominant
• Homozygous Recessive
• Heterozygous
• Heterozygous Dominant

Tt

• Homozygous Dominant
• Homozygous Recessive
• Heterozygous
• Heterozygous Dominant

What is the difference between genotype and phenotype?

• Genotype is the genes an organism expresses and phenotype is the alleles an organism expresses.
• Genotype is the genes an organism expresses and phenotype is the physical appearance.
• Genotype is the alleles an organism expresses and phenotype is the genes an organism expresses.
• Genotype can be expressed with one letter and phenotype with two letters.

Tags

NGSS.HS-LS1-1