Biology Final 2022

What allele combination should go in the missing box?

• AA
• Aa
• aa
• none of these

If B = brown hair and b = blonde hair, what is the probability of brown hair?

• 25%
• 50%
• 0%
• 75%

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

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

What percent of offspring will have the recessive trait?

• 25
• 50
• 75
• 100

What is a phenotype

• The genetic make up (code)
• The physical trait

Which of the following genotypes is homozygous dominant?

• A
• Aa
• AA
• aa

An illustration and a dichotomous key are given. What is the correct classification for this organism?

• Class Insecta
• Order Amblygygi
• Order Araneae
• Order Scorpiones

When using a dichotomous key to identify organisms, what do we look at?

• physical features
• weather patterns
• environment
• diet

Cladograms are constructed by grouping organisms together based on their____________ characteristics.

• shared
• different
• varied
• opposite

According to this cladogram, birds are LEAST related to: 

• Amphibians
• Sharks
• Ray Finned Fish
• Crocodiles