Genetics Review

Zach was in an accident when he was younger and lost an arm. Could Zach's children be born with 1 arm?

• Yes

• No

Which of the following is a phenotype?

• BB

• Bb

• bb

• Blue Eyes

What is the process that makes gametes, and how many gametes does it make?

• Meiosis, 2 gametes

• Mitosis, 4 gametes

• Meiosis, 4 gametes

• Mitosis, 2 gametes

Having two of the same genes for the trait (sometimes called purebred).

• Homozygous

• Heterozygous

• protein

• chromosome

Amanda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Amanda most likely inherit?

• Height

• The scar

• Ability to swim

• Ability to play drums

G=green, g=yellow

The genotype for a yellow plant is....

• GG

• Gg

• gg

• All of the choices result in yellow

The study of heredity and the variation of inherited characteristics is....

• Gene

• Genetics

• Meiosis

• Hybrid

Which of the following alleles is homozygous recessive?

• Tt

• tt

• TT

• T

Put in order from smallest to largest:

• Chromosome-DNA-Gene

• Gene-DNA-Chromosome

• DNA-Gene-Chomosome

• Chromosome-Gene-DNA

Orchids were studied to determine if the amount of humidity affected the flowering of these plants. Which of these was the independent variable in this study?

• Orchids

• Amount of Humidity

• Flowering of the Plants

• Amount of Water