BIOLOGY UT PREP

Who discovered the “Punnett Squares”?

• Gregor Mandel
• James D Watson
• Einstein
• Mr. Thomas

What is Genotype?

• Genetic makeup [Alleles]
• Physical appearance
• Traits
• Gene

Can a child have a phenotype both parents do not have

• Yes
• No

What would be the ratio of brown eyes to blue eyes if both parents are heterozygous with brown eyes. (Brown is dominant)

• 9:3
• 3:5
• 2:4
• 3:2
• 8:2

Which statement is true about “Incomplete Dominance”?

• “Leads to both traits being expressed.”
• “Lead to a trait between the two dominant genes.”
• “The Change in skin color die to environmental influence.”
• “Traits form each parents.”

What are the possible offspring from across using a punnet square? Parents gene are AA and aa

• AA
• Aa
• aa
• AL

What are Punnett Squares

• predicting the possible offspring of a cross between the parent’s genotype
• The first study of genetics
• The passing of trait to the next generations
• Two identical copies of a alleles in the DNA gene sequins that encodes for a particular trait

The percentage of getting wrinkled yellow pea?

• 30.25%
• 15.65%
• 10.5%
• 18.75%

Who is the creator of mendelian genetics

• Charles Darwin
• Mr Thomas
• Gregor Mendel
• Harvey Itano

what are the physical characteristics based on genotype

• Eye colour
• Height
• Skin colour
• All of the above