Genetic Molecules
The molecule of genetic information
What is DNA
If there is a dominant and recessive allele, which trait "wins"?
dominant
The type of reproduction that results in genetic variation
Sexual reproduction
The brightly colored feathers on a peacock are an example of what kind of adaptation?
Physical
Are dominant alleles represented by lowercase or uppercase letters?
Uppercase
A physical characteristic that a gene codes for
What is a trait
What do the letters outside of a punnett square represent?
the parents' alleles
The kind of reproduction that requires only 1 parent
Asexual
Long bodied gobies are better swimmers than short bodied gobies, which body type is most likely to be more common in a habitat with a long stream?
Long bodied gobies
Which base pairs bind with eachother?
What are A and T, and G and C
When the DNA base-pair sequence gets changed accidentally
What is a mutation
If tongue curling(T) is a dominant trait and an individual is tt for tongue curling, can they curl their tongue?
No
The main disadvantage of asexual reproduction
Low genetic diversity
Who discovered the phenomenon of natural selection?
Charles Darwin
A stretch of DNA that codes for a specific trait
What is a gene
The tightly wound packages of DNA and proteins that humans have 46 of
Chromosomes
The scientist known as the "Father of Genetics" and was known for his experiments on pea plants.
Who is Gregor Mendel
The scientific term for the type of cells that include the sperm and egg
gamete
When humans choose individuals to breed to try to get desired traits
Selective breeding or artificial selection
If you cross a homozygous dominant parent (TT) and a homozygous recessive parent (tt) , what are the possible genotypes of the offspring?
heterozygous (Tt)
What DNA stands for
Deoxyribonucleic acid
Homozygous
the scientific term for the fertilized single cell
zygote
Explain the example of the peppered moths in England what drove their population to go from mostly light-colored to mostly dark-colored.
-answers will vary, Mx. Stieber will judge
What is a phenotype?
The physical trait that a ghene codes for