Cp Biology 2 Final Exam Part A

31 Questions | By MrMackRH | Last updated: Mar 20, 2022 | Total Attempts: 103

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1.

If a pea plant were homozygous recessive for height, how would its alleles be represented?
- A.
  
  Tt
- B.
  
  TT
- C.
  
  Tt
- D.
  
  TT
2.

When an organism has two alleles at a particular locus that are different, the organism is called
- A.
  
  Purebred
- B.
  
  Dominant
- C.
  
  Heterozygous
- D.
  
  Recessive
3.

Hair color and eye color are examples of a person's
- A.
  
  Recessive traits.
- B.
  
  Phenotype.
- C.
  
  Genotype.
- D.
  
  Dominant traits.
4.

Mendel's second law of genetics, the law of independent assortment, is one explanation of the
- A.
  
  Random fertilization of gametes.
- B.
  
  Final stages of gametogenesis.
- C.
  
  Greater strength of dominant alleles.
- D.
  
  Genetic variation within species.
5.

Any of the alternative forms of a gene that occurs at a specific place on a chromosome are known as ___.
- A.
  
  Genes
- B.
  
  Alleles
- C.
  
  Chromosomes
- D.
  
  Recessive traits
6.

A chart or "family tree" that tracks which members of a family have a particular trait is called a ___.
- A.
  
  DNA sequence
- B.
  
  Punnett square
- C.
  
  Genetic linkage
- D.
  
  Pedigree
7.

___ studied traits of pea plants and discovered the two fundamental laws of genetics.
- A.
  
  Mendel
- B.
  
  Watson and Crick
- C.
  
  Mack
- D.
  
  Einstein
8.

___ is a pattern of inheritance in which the gene for a trait is located on the X-chromosome, thereby creating disorders that are much more common in males than females.
- A.
  
  Incomplete dominance
- B.
  
  Co-dominance
- C.
  
  Multiple allele
- D.
  
  Sex-linked
9.

In humans, a ___ cell has ___ chromosomes.
- A.
  
  Haploid ... 46
- B.
  
  Haploid ... 23
- C.
  
  Diploid ... 50
- D.
  
  Diploid ... 23
10.

A form of nuclear division that divides a diploid cell into haploid cells and produces gametes is known as ___.
- A.
  
  Mitosis
- B.
  
  Meiosis
- C.
  
  Cellular regeneration
- D.
  
  Binary fission
11.

A cell that has two copies of each chromosome is said to be ___.
- A.
  
  Diploid
- B.
  
  Haploid
- C.
  
  Triploid
- D.
  
  A gamete
12.

A female gamete ___.
- A.
  
  Is produced in the testes.
- B.
  
  Is called an ovum or an egg cell.
- C.
  
  Is called a spermatocyte.
- D.
  
  Is called a polar body.
13.

A(n) ___ involves the insertion or deletion of a single base in a DNA molecule.
- A.
  
  Frameshift mutation
- B.
  
  Point mutation
- C.
  
  Translocation
- D.
  
  Mutagen
14.

Each set of three nucleotides on mRNA coding for an amino acid is referred to as a(n) ___.
- A.
  
  Codon
- B.
  
  Anticodon
- C.
  
  Ribosome
- D.
  
  Base pair
15.

Messenger RNA is formed in the process of ___.
- A.
  
  Translation
- B.
  
  Transcription
- C.
  
  Replication
- D.
  
  Mutation
16.

The process by which a DNA molecule is copied is ___.
- A.
  
  Transcription
- B.
  
  Translation
- C.
  
  Replication
- D.
  
  Mutation
17.

Watson and Crick, with the help of Rosalind Franklin, were the first to suggest that DNA is ___.
- A.
  
  A short molecule
- B.
  
  A protein molecule
- C.
  
  The shape of a double helix
- D.
  
  The genetic material
18.

Which DNA sequence produced an mRNA strand with the sequence AGUACA?
- A.
  
  UCAUGU
- B.
  
  TCATGT
- C.
  
  GUACAG
- D.
  
  CAGTAC
19.

Which of the following is a pair of complementary bases?
- A.
  
  Cytosine and cytosine
- B.
  
  Adenine and guanine
- C.
  
  Thymine and adenine
- D.
  
  Thymine and ctyosine
20.

There are literally hundreds of thousands of different organic molecules. Which statement best explains how this is possible?
- A.
  
  Elements can make an unlimited number of chemical bonds.
- B.
  
  Carbon is unique in that it can make four chemical bonds.
- C.
  
  Carbon can make twenty bonds to other carbon atoms.
- D.
  
  Organic molecules are acidic.
21.

Organic compounds always contain the element ____.
- A.
  
  Carbon
- B.
  
  Nitrogen
- C.
  
  Oxygen
- D.
  
  Organium
22.

Which of the following is NOT a characteristic of RNA?
- A.
  
  It contains uracil.
- B.
  
  It contains thymine.
- C.
  
  It is made of only one strand.
- D.
  
  It transfers genes to the ribosome.
23.

Which of the following describes DNA?
- A.
  
  It contains uracil.
- B.
  
  It contains the sugar ribose.
- C.
  
  It controls the production of proteins.
- D.
  
  It is made of amino acids.
24.

Which of the following is a structural form of carbohydrate?
- A.
  
  Cellulose
- B.
  
  Starch
- C.
  
  Enzyme
- D.
  
  RNA
25.

Which of the following monomers make up a lipid?
- A.
  
  Glycerol and fatty acid
- B.
  
  Glycerol and amino acids
- C.
  
  Glycerol and nucleic acids
- D.
  
  Thymine and guanine