Weekend Quiz..........

What is the basic unit of heredity

• chromosome
• gene
• DNA
• protein

Which scientist(s) is/are credited with the discovery of the structure of DNA?

• James Watson and Francis Crick
• Marie Curie
• Charles darwin

• Gregor mendel

What is the term for a variant form of a gene?

• gene pool
• chromosome
• allele
• genotype

Which process describes the creation of mRNA from a DNA template

• Transcription
• Translocation
• Replication
• Translation

What is the term for an organism’s observable characteristics

• Phenotype
• Karyotype

• Allele
• Genotype

Which genetic disorder is characterized by the presence of an extra chromosome 21?

• Down syndrome
• Cystic fibrosis
• Klinefelter syndrome
• Turner syndrome

In genetics, what is a genome?

• The physical structure of DNA in a cell.
• The partial set of genetic material in an organism.
• The complete set of genetic material in an organism.
• The process of gene expression in an organism.

Which term describes the crossing over of chromosomes during meiosis

• Genetic recombination
• Synapsis

• Chromosome duplication
• Chromatid separation

What is the principle of independent assortment

• Genes for different traits can segregate independently during the formation of gametes

• The inheritance of one trait depends on the inheritance of another

• Alleles segregate from one another during the formation of gametes

• Traits are inherited directly from the parents

What are the four nitrogenous bases in DNA

• Adenine, Guanine, Cytosine, Thymine

• Adenine, Guanine, Cytosine, Uracil

• Alanine, Glycine, Cysteine, Tyrosine

• • d) Aspartic acid, Glutamic acid, Cysteine, Tyrosine