Genetic Diseases
Mental retardation due to an extra chromosome, nondisjunction
What is Down Syndrome?
Father of Genetics
Who is Gregor Mendel?
Scientists credited with establishing the structures of DNA
Who are Watson and Crick?
Changes in the DNA sequence that affect the expression of genetic information are called
What is a mutation?
The study of organisms within their environment
What is Ecology?
Rare bleeding disorder that prevents blood from clotting properly.
What is Hemophilia?
Distinguishing characteristics that are inherited
What is a Allele?
DNA molecules consists of an original strand and new strand. This means replication of DNA is
Natural selection can only occur is there is ? among the population
What is variation?
this biome has an extremely dry environment that is home to well-adapted plants and animals
What is a desert?
Mutation in the CFTR gene, causes production of thick, sticky mucus that clogs the lungs
What is Cystic Fibrosis?
Term that refers to an organism's combination of alleles
What is a genotype?
The first step of protein synthesis: DNA strand is used to make a complementary mRNA strand is called
What is Transcription?
The process of organisms evolving over time to better suit their environment
What is natural selection?
The interaction between a leach and a human
What is parasitism?
Decreased the ability of the blood to carry oxygen due to it's abnormal crescent-shaped hemoglobins.
What is Sickle-cell Anemia?
Distinguishing characteristics that are inherited
What are traits?
For protein synthesis to occur, mRNA must migrate the ? and go to the ?
What is nucleus and ribosome?
Believed to cause gene mutations due to the substitution of this base
What is a nitrogen base?
An organism that converts nitrogen into a usable form
What is bacteria?
Breakdown of nerve tissue due to buildup of fatty material in the brain and spinal cord.
The mating of two distinct organisms to produce offspring is specifically called
What is a cross?
During ?, the tRNA anticodon is paired up with the mRNA codon
What is translation?
Farmers now grow insect-resistant varieties of cotton. What is used to transfer the favorable trait to the cotton's DNA?
What is recombinant DNA?
This consumer feeds off the detritus of the ecosystem
What are Detritivores?