Genetics Review

What is DNA?

• nucleotides
• A+T, C+G
• instructions for the cell
• all are correct

Tags

NGSS.HS-LS3-1

Genes are found on...

• Chromosomes
• Proteins
• Genes
• Nucleotides

Tags

NGSS.HS-LS3-1

Through heredity, _____ are passed on from parents to children.

• Traits
• Genes
• Chromosomes
• All would apply.

Tags

NGSS.HS-LS3-1

Which is an example of an phenotype?

• straight teeth
• genes
• chromosomes
• Tt

Which is an example of a genotype?

• Dd
• genes
• Chromosomes
• Having flat feet

If you have two of the SAME alleles for each trait, you are...

• homozygous
• heterozygous
• Hh
• none are correct

If you have two DIFFERENT alleles for each trait, you are...

• homozygous
• heterozygous
• HH
• none of the above

If you have one dominant allele (straight teeth = T) and one recessive allele
(crooked teeth = t), what would you look like?

• Straight teeth
• Crooked teeth
• No enough info

Tags

NGSS.HS-LS3-1

Which of these is homozygous?

• Nn
• NN
• Mm

Which of these is homozygous?

• Ss
• ss
• Tt