Genetic Variability

the genetic code for the gene

• phenotype
• genotype
• homozygous

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

trait shows only if both parents pass it on

• recessive
• dominant
• codominan

Tags

NGSS.HS-LS3-1

when you have two different alleles

• heterozygous

• dominant

• homozygous

when you have two of the same alleles

• heterozygous

• recessive

• homozygous

shows even if only one parent passes on the allele

• recessive

• regulatory gene

• dominant

Tags

NGSS.HS-LS3-1

the letters - dd - are an example of _______  

• recessive

• homozygous recessive

• homozygous dominant

• dominant

Dd letters are an example of....

• heterozygous genes
• homozygous genes
• dominant genes
• recessive genes

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Females-XX; MalesXY.  A couple has 4 girls.  What is the chance the next child will be a boy?

• 75%
• 100%
• 25%
• 50%

Tags

NGSS.HS-LS3-3

If "T" is the allele for tall and "t" is the allele for short, then Tt would produce?

• tall
• short
• medium
• not enough info

Tags

NGSS.HS-LS3-1