Karyotypes + Mutations

• This karyotype shows Trisomy 21
• This karyotype has no abnormality
• This karyotype is missing a sex chromosome (monosomy x)
• This karyotype is from a gamete

Tags

NGSS.HS-LS3-2

Which sex chromosomes would indicate a typical human male?

• XX
• X
• XY
• XXY

Point mutation when a nucleotide is added to the DNA sequence.

• Insertion

• Missense

• Nonsense

• Silent

A change in the DNA sequence that doesn't change protein made.

• Nonsense

• Silent

• Missense

• Substitution

A change in the DNA sequence that results in an early stop codon, changing the entire protein

• Nonsense

• Silent

• Missense

• Substitution

A change in the DNA sequence that can change a single amino acid of a protein

• Nonsense

• Silent

• Missense

• Substitution

Original: GAG-CTC-GAC-AGA

Mutation: GAG-CTC-CAC-AGA

What mutation occured? (hint: transcribe and translate the DNA)

• silent

• missense

• nonsense

Original: ATC CAT

Mutation: ATC GCA T

What mutation occurred? (hint: transcribe and translate the DNA)

• deletion

• insertion

• silent

• missense

Which type of chromosome abnormality would occur from crossing over in prophase?

• extra, missing, or flipped sections of a single chromosome

• entirely extra or missing chromosomes

Which type of chromosome abnormality would occur from improper chromosome separation in anaphase?

• extra, missing, or flipped sections of a single chromosome

• entirely extra or missing chromosomes