Genetics Review

What is the shape of DNA?

• double helix (twisted ladder)

• straignt line

• circular

What is the function of DNA?

• The function of DNA is to produce energy for the cell.
• The function of DNA is to regulate cell metabolism.
• The function of DNA is to provide instructions for living things.

• The function of DNA is to transport nutrients within the cell.

Tags

NGSS.HS-LS1-1

TT; big letters are ___________

• recessive

• dominant

• nothing

tt, small letters are ______

• DNA

• dominant

• recessive

a ___________ is a letter combination of an allele

• phenotype

• genotype

• dominant

• recessive

a __________- is the trait that we see; black, long, blue, tall

• DNA

• recessive

• genotype

• phenotype

Tt, Hh, Rr are __________ genotypes

• homozygous

• heterozygous

• recessive

• phenotypes

TT, rr, WW, ss are ________________ genotypes

• homozygous

• heterozygous

• recessive

This image is called a ____________

• triangle

• punnett square

• square

• rectangle

having two different genes for a trait (sometimes called hybrid).

• protein
• homozygous
• heterozygous
• genotype