DNA & Genetics

What did Rosalind Franklin contribute to the history of DNA?

• She made a model of DNA

• She used X-ray crystallography to take a photograph of DNA

• She died of cancer at 37

• She stole the photo of DNA

Dominant alleles are represented by

• Capital letter

• lowercase letters

Homozygous is

• identical alleles

• different alleles

• letters

• numbers

Heterozygous is

• identical alleles

• different alleles

• letters

• numbers

Tags

NGSS.HS-LS3-2

What is the percentage of homozygous recessive traits?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-3

A structural part of a DNA nucleotide that makes up the 'rungs of the DNA ladder'.

• base pair
• phosphate
• double helix
• sugar

Genetic trait that is represented with a capital letter and will always show if it is present.

• recessive trait
• dominant trait
• heredity
• allele

The twisted ladder structure of DNA. Two strands of nucleotides wound about each other.

• protein
• gene
• double helix
• allele

Tags

NGSS.HS-LS1-1

DNA segment that has instructions for traits that are passed from parent to child/offspring

• nucleus
• gene
• proteins
• mutagen

Tags

NGSS.HS-LS3-1

The human manipulation of individual genes within organisms.

• mutagen
• transcription
• phenotype
• genetic engineering

Tags

NGSS.HS-LS3-2