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Questions and
Answers of Question of the Week
quizz.
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How is Cystic Fibrosis
inherited? |
Answer:
A person must inherit two abnormal
recessive genes-one from each parent. CF gene is an autosomal recessive
genetic disorder.
|
What is Proteomics? |
Answer:
Proteomics is defined as
a large-scale study of proteins, usually by biochemical methods.
|
What comes after
replication and transcription? |
Answer:
Translation
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What is a
wild type phenotype? |
Answer:
The phenotype or
characteristic of an organism that occurs most frequently in nature (as
opposed to mutant phenotype).
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What is the definition of a mutation?
|
Answer: A change in a specific
sequence of a DNA or RNA that affects the genetic message.
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| What is Genetic Engineering? |
Answer:
It
is the transfer of genes from one organism to another using sophisticated
techniques known as recombinant DNA technology.
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Where is the term DNA Fingerprinting
used? |
Answer:
Forensic Sciences
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In what micro-organism was the DNA first
discovered? |
Answer: Bacteria
(pneumococci)
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Who was known as the
'Father of Genetics'? |
Answer:
Gregor Mendel.
|
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How Many Chromosomes Do Humans Have?
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Answer: 23
pairs of chromosomes or 46 chromosomes.
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What was the first cloned animal?
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Answer: Sheep (or lamb)
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How do DNA and RNA differ?
Answer: DNA consists of a deoxyribonucleotide, while RNA consists of a
ribonucleotide- DNA contains the base thymine, while RNA contains the base
uracil. |
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What was the greatest accomplishment in Genetics that
occurred during late June of 2000?
|
Answer: Decoding (or sequencing) the human genome. Decoding (or sequencing) the human genome.
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What is the procedure of injecting a piece of genetic material into a
patient called? |
Answer: Gene Therapy Gene Therapy
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Who discovered the DNA?
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Answer:
James Watson and Francis Crick
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What component of the cell, other than the nucleus,
contains DNA material? (hint: see Solve-the-Case # 5)
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Answer: The Mitochondria
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What method is used to decode the DNA?
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Answer: DNA sequencing
| What method(s) of DNA analysis is used in forensic
science?
|
Answer: RFLP (Restriction Fragment Length Polymorphism)
and PCR (Polymerase Chain Reaction).
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What is the genetic term used
when a plant or animal has two identical alleles at a single locus on
the chromosome?
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Answer: Homozygous.
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What is the genetic term used when a plant or animal has two
different alleles at a single locus on the chromosome?
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Answer:
Heterozygous
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What type of gene is obscured in the phenotype of an offspring?
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Answer:
A recessive gene
| What word is used in genetics to refer to a
trait or appearance of an organism?
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Answer: phenotype
| What type of cell does not have a nucleus?
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Answer: red blood
cell or erythrocyte
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