Biology Final Exam Review Part 3

Which description best identifies characteristics of asexual reproduction.

• one parent, union of gametes, offspring similar to but not genetically identical to the parent

• one parent, no union of gametes, offspring genetically identical to the parent

• two parents, union of gametes, offspring similar to but not genetically identical to parents.

• two parents, no union of gametes, offspring genetically identical to the parents.

Tags

NGSS.MS-LS3-2

Which is the number of chromosomes in a haploid cell?

• 1n

• 2n

• 3n

• 4n

What term is used to describe pairs of chromosomes having DNA segments, or genes, for the same traits?

• homologous

• analogous

• homozygous

• parallel

Tags

NGSS.HS-LS3-1

An organisms with the genotype DD for a trait is

• heterozygous dominant

• heterozygous recessive

• homozygous dominant

• homozygous recessive

What is formed as a result of mitosis?

• four genetically different cells

• four genetically identical cells

• two genetically different cells

• two genetically identical cells

Tags

NGSS.HS-LS1-4

After performing a monohybrid cross, it is important to analyze the results with a Punnett square. What does each box in a Punnett square represent?

• possible phenotype

• possible genotype

• one individual

• two possible gentoypes

The tall allele, T, is dominant to the short allele, t, in Mendel's pea plants. You examine a pea plant that exhibits the tall phenotype. What is its genotype?

• A. Tt

• B. TT

• C. tt

• both A and B are possible

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A true-breeding tall pea plant is crossed with a true-breeding short pea plant, and all the offspring are tall. What is the most likely genotype of the offspring assuming a single-gene trait?

• tt

• Tt

• TT

• TT or tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A white mouse whose parents are both white produces only brown offspring when mated with a brown mouse. The white mouse is most probably ___________.

• homozygous recessive

• heterozygous

• homozygous dominant

• haploid

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Create a dihybrid cross for two parents that have the genotype MmXx. What fraction of this cross will be recessive for both traits?

• 1/2

• 2/16

• 1/4

• 1/16

Tags

NGSS.HS-LS3-3