Dragon Genetics

Female Dragon Female Traits• Wings:

• Forelimbs:

• Hindlimbs:

• Tail Shape:

Dragon Genetics

Male Dragon Traits:• Wings

• Forelimbs

• Hindlimbs

• Tail Shape:

Do the dragons have to have identical genes to look the

same?Answer on the handout

Genotypes- describe on the handoutFemale’s Genotype Male’s Genotype

What do you think this dragon looks like?

• Wings:

• Forelimbs:

• Hindlimbs:

• Tail:

Female Phenotype

• Wings:

• Forelimbs

• Hindlimbs

• Tail

What does this dragon look like?

• Wings:

• Forelimbs:

• Hindlimbs:

• Tail:

Male Genotype

• Wings:

• Forelimbs

• Hindlimbs

• Tail

Vocabulary

• The gene for wings is dominant and the gene for no wings is recessive.

• What does dominant mean?

• What does recessive mean?

Genotype and phenotype

• Look back at the slides –

• What does genotype refer to?

• What does phenotype refer to?

Guess the Father’s Genes• Wings

• Forelimbs

• Hindlimbs

• Tail:

Indicating Dominant and Recessive• We usually use a single

letter to indicate any trait:– Capital letter for the

dominant trait– Lower case for the recessive

trait• Example – for tall or short

we might use T for Tall and t for short

• How would you indicate each of the 4 traits we’ve looked at:

Dominant / Recessive

• Wings

• Forelimbs

• Hindlimbs

• Tail

Hetero and Homozygous• Having the same gene for a trait

on both parental chromosomes is homozygous

• Having a different gene for a trait on each parental chromosome is heterozygous

• This dragon is heterozygous for which trait?

• Homozygous for which trait?

What genotype and phenotype?

• What is the genotype for a dragon that is heterozygous for wings?

• What is the phenotype for a dragon that is heterozygous for wings?

• What is the genotype for a dragon that is homozygous for no hindlimbs?

• What is the phenotype for a dragon that is homozygous for no hindlimbs?