Melanin Unit Review

This pedigree shows the trait for left-handedness (hh) in a family. What is the genotype for person #4 generation 2?

• Hh

• HH

• hh

• Not enough information to tell

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In this pedigree chart, the trait shown is right-handedness (Hh or HH) which is a DOMINANT trait. What is the genotype for Person #4? Make sure you check the next generation to determine which genotype it is.

• Hh

• HH

• hh

• Not enough information to tell.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In the punnett square where aa=albinism, what is the phenotype percentage?

• 100% non-albino

• 50% non-albino and 50% albinism

• 100% albinism

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is a mutation?

• a random change in the DNA

• a random change in the amino acid chain

• an error that occurs when the mRNA is made

Tags

NGSS.HS-LS3-2

What amino acid corresponds to the following mRNA?

CCA

• Serine

• Arginine

• Proline

• Glycine

Tags

NGSS.HS-LS1-6

Hair colour is an example of

• genotype

• phenotype

Tags

NGSS.HS-LS3-1

What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A

• Substitution
• Deletion
• Insertion
• Frameshift 

Tags

NGSS.HS-LS3-2

A long chain of amino acids is a/an

• protein
• nucleic acid
• tRNA
• mRNA

Tags

NGSS.HS-LS1-1

Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

NGSS.HS-LS4-4

Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA

• UUGACUU

• TTGACTT

• AACTGAA

• AACUGAA