Punnett Squares
Random
Phenotype
Alleles and Punnett squares
Genotype
100

  1.  What is the probability of Aa?

  1. 0%

  2. 25%

  3. 50%

  4. 100%

c. 50%

100

One form of a gene is called ____

  1. A DNA

  2. A phenotype

  3. A trait

  4. An allele

4.allele

100

The two alleles that determine a phenotype are _______

  1. Dominant

  2. Recessive

  3. A genotype

  4. Heterozygous

3. A genotype

100

How many alleles does a child get from each parent for each trait?

  1. 1

  2. 2

  3. 3

  4. 4

1. 1

100

Which of the following genotypes is heterozygous?

  1. Bb

  2. BB

  3. bb

  4. B

1.Bb

200

  1.  If brown (B) is dominant to blue (b), what are the possible phenotype(s) of this cross?

  1. Bb

  2. Bb and bb

  3. Brown

  4. Brown and Blue 

4. Brown and Blue 

200

How many alleles do each person carry for a trait?

  1. 1

  2. 2

  3. 3

  4. 4

2. 2 

200

Which of the following is a phenotype?

  1. Aa

  2. Red hair

  3. Heterozygous

  4. DNA

2. Red Hair

200

How many alleles do each person carry for a trait?

  1. 1

  2. 2

  3. 3

  4. 4

2. 2

200

In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?

  1. rr

  2. R

  3. RR

  4. RR or Rr

4. RR or Rr

300

  1. These parents are ______

  1. Heterozygous

  2. Homozygous

b. Homozygous

300

 Characteristics can also be called _____

  1. Heredity

  2. Traits

  3. Gene

  4. Alleles

2. Traits

300

Butterflies have a gene for wing color that has incomplete dominance. B is blue and Y is yellow. The phenotype of their offspring will be _____

  1. Green

  2. Yellow

  3. BY

  4. By



1. Green

300

A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?

  1. 25%

  2. 50%

  3. 75%

  4. 100%

2. 50%

300

 Aa, DD, Bb, yy are examples of ______

  1. Genotypes

  2. Phenotypes



1. Genotype

400

In this Punnett square, which is the dominant trait(The B stands for bud). 

  1. Purple flower bud

  2. White flower bud

  3. Dominant

  4. Recessive

1. Purple flower bud

400

 Heterozygous is when…

  1. The alleles are the same

  2. The alleles are different

  3. The alleles are absent

  4. The alleles are present

2. The alleles are different 

400

If long hair (H) is dominant to short hair (h), what is the phenotype of Hh?

  1. Medium hair

  2. Long hair

  3. Dominant

  4. Recessive

2. Long Hair

400

This image is an example of _____

  1. Codominance

  2. Dominance

  3. Incomplete dominance


3. Incomplete Dominance

400

 G=green, g=yellow

 The genotype for a yellow plant is…

  1. GG

  2. Gg

  3. gg

  4. All of the choices result in yellow



3. gg

500

  1. This image is an example of _____

  1. Codominance

  2. Dominance

  3. Incomplete dominance



3. Incomplete Dominance

500

Salamanders gave a co-dominant gene for color. BB is black and WW is white. Their offspring will be ______

  1. Colored with both black and white showing

  2. Gray



1. Colored with both black and white showing

500

Blonde hair is a ______

  1. Trait

  2. Genotype

  3. Gene

1. Trait

500

This image is an example of _____


  1. Codominance

  2. Dominance

  3. Incomplete dominance


1. Codominance

500

What is the study of heredity?

  1. Mendel

  2. Genetics

  3. Pea plants

  4. Genes

2.Gentics

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