Bio Do Now 11/17

A segment of DNA that codes for a trait

• gene

• centromere

• chromosome

• chromatid

A version or variation of a gene

• trait

• gene

• allele

• DNA

Chromosomes are made of

• DNA
• RNT
• WWE
• DMA

Genes always appear in pairs. Your parents donate ________ allele for every trait.

• 1
• 2
• 23
• 46

an observable characteristic

• trait

• personality

• cell

• DNA

T - tall and t = short

In the punnett square below, what belongs in the missing square

• tt

• Tt

• Bb

• TT

Dominant alleles are represented by a:

• Male gene

• lowercase letter

• recessive trait

• capital letter

Based on the completed Punnett square, what is the phenotypic Ratio?

• 1:2:1

• 3:2

• 3:1

• 1:3:1

Which of the following genotypes is homozygous dominant?

• A

• Aa

• AA

• aa

the physical characteristics that result from genes

• phenotype

• genotype

• heterozygous

• homozygous