Genetics Mastery

TT,tt,PP,pp,SS,ss are examples of alleles that are?

• homozygous
• heterozygous
• different
• homologous 

What type of "square" helps us solve genetic problems?

• carpenter square
• Mendel square
• Punnett square
• genetic square

Y for yellow body is dominant over y for blue body.  What alleles would produce yellow bodies?

• YY,yy
• Yy,yy
• YY only
• YY,Yy

The exact genetic makeup of an organism, such as RR, Tt, PP is its?

• phenotype
• dominance
• genotype
• trait

"The Great White Shark was 20 feet in length.  Phenotype or Genotype?

• phenotype
• genotype

A physical characteristic that can be passed from parent to offspring.

• behavior
• trait
• strong muscles
• ability to fly a plane.

Alternant or different genes that code for the same trait are called?

• chromosomes

• segments

• alleles.

• homozygous.

Red (R) is dominant over white (r). How can a flower be white?

• It can have RR and be white.

• It has to have rr.

• It has to have rR

• There is no way it can be white until the third generation.

Which of the following is an inheritable genetic trait?

• language

• type of music you like

• eye color

• slow growth due to insufficient nutrition.

A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?

• 100% BB
• 75% BB and 25%Bb
• 50 % BB and 50% Bb
• 50% Bb and 50% bb