Directions: Drag and Drop each vocabulary term to its definition below. (7pts)

Question

Recessive

Alleles

Dominant

Phenotype

Heterozygous

Genotype

Homozygous

1) : different forms of a gene

2) : an allele that is expressed whenever it is present. Represented by a capital letter.

3) : having 2 of the same alleles for a trait

4) : the set (2 letters) of an organism has for a trait

5) lower case letters. : an allele that is expressed when a dominant allele is not present. Represented by

6) : an observable trait of an organism; physical characteristic

7). having 2 different alleles for a trait

Answer 1

Recessive -> an allele that is expressed when a dominant allele is not present. Represented by lower case letters.

Alleles -> different forms of a gene

Dominant -> an allele that is expressed whenever it is present. Represented by a capital letter.

Phenotype -> an observable trait of an organism; physical characteristic

Heterozygous -> having 2 different alleles for a trait

Genotype -> the set (2 letters) of an organism has for a trait

Homozygous -> having 2 of the same alleles for a trait

Answer 2

Directions: Use your vocabulary above and the key (tail shape) to answer the questions below. (4pts)

1) Identify a phenotype for tail shape.

Tall Shape

Curly (T) Straight (t)

2) Identify the genotype for a straight tail.

3) Identify a heterozygous genotype for tail shape.

4) Identify a homozygous genotype for tail shape.

Answer 3

1) Identify a phenotype for tail shape: Tall Shape

2) Identify the genotype for a straight tail: tt

3) Identify a heterozygous genotype for tail shape: Tt

4) Identify a homozygous genotype for tail shape: TT

Answer 4

Directions: Use your vocabulary above and the key (tail shape) to answer the questions below. (4pts)

1) Identify a phenotype for tail shape.

Curly (T) Straight (t)

2) Identify the genotype for a straight tail.

3) Identify a heterozygous genotype for tail shape.

4) Identify a homozygous genotype for tail shape.

Answer 5

1) Identify a phenotype for tail shape: Curly

2) Identify the genotype for a straight tail: tt

3) Identify a heterozygous genotype for tail shape: Tt

4) Identify a homozygous genotype for tail shape: TT