IB Bio 3.1 and 3.2 quiz

Which of the following is an inherited disease that is due to a base substitution mutation in a gene?

• Trisomy 21
• Sickle cell anemia
• AIDS
• Type II Diabetes

Which of the following is the cause of sickle-cell anemia?

• Tryptophan is replaced by leucine
• Leucine is replaced by valine
• Glutamic acid is replaced by valine
• Lysine is replaced by glutamic acid

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

What is the cause of sickle-cell anemia?

• A change to the base sequence of a hemoglobin gene
• Mosquitos acting as the vector for malaria
• Iron deficiency due to the malaria parasite
• Production of more white blood cells than red blood cells by bone marrow

A human cell has between 20,000-25,000 genes whereas an E. coli cell has approximately 4,000 genes.  Which of the following statements is true?

• The human genome is larger than the E. coli genome
• There are more genes on each human chromosome than on the E. coli chromosome
• The human cell and the E. coli cell produce approximately the same variety of proteins
• The DNA in both organisms is associated with histones (proteins)

Which of the following statements about homologous chromosomes is correct?

• Each gene is at the same locus on both chromosomes
• They are two identical copies of a parent chromosome which are attached to one another at the centromere
• They always produce identical phenotypes
• They are chromosomes that have identical genes and alleles

How many autosomes are there in a human sperm?

• 1
• 22
• 23
• 46

In the diagram, which pair represents homologous chromosomes?

• 1 and 2
• 3 and 4
• 2 and 5
• 4 and 6

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following types of information are needed to construct a karyotype?  
I.  Size of the chromosomes  
II. Gene mutations of the chromosomes  
III. Age of the individual

• I only
• II only
• I and II
• I, II and III

Which phase of cell division is photographed in order to make a karyotype?

• Anaphase of mitosis
• Anaphase I of meiosis
• Metaphase of mitosis
• Metaphase II of meiosis

What does the karyotype below correspond to?

• A normal male
• A normal female
• A female with Down Syndrome
• A male with Down Syndrome

Tags

NGSS.HS-LS3-2