Exploring the Science of Dog Genetics

From which animal did dogs evolve more than ten thousand years ago?

• Wolf

• Bear

• Cat

• Fox

How many recognized dog breeds are there worldwide?

• 400

• 500

• 300

• 200

What percentage of genes do siblings with the same parents share on average?

• 25%

• 50%

• 100%

• 75%

What are the segments within each strand of DNA called?

• Cells

• Nuclei

• Chromosomes

• Genes

Which type of trait requires two copies of the gene to be expressed?

• Dominant

• Recessive

• Co-dominant

• Semi-dominant

What are the basic foundation coat colors in dogs?

• Orange, Purple, Pink

• Red, Blue, Green

• Black, Brown, Yellow

• White, Grey, Black

What is the term for the black or brown striping pattern seen in some dog breeds?

• Brindle

• Mask

• Saddle

• Spotted

Which hair type is dominant in most dog breeds?

• Curly hair

• Wavy hair

• Long hair

• Short hair

What gene is responsible for giving dogs longer facial hair like a beard and eyebrows?

• Mask

• Saddle

• Furnishings

• Curly

What type of trait is it when a dog only needs one copy of a gene to show it?

• Recessive

• Semi-dominant

• Dominant

• Co-dominant