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Why does natural selection depend on variations and DNA?
The variations in the DNA are responsible in differences between desirable traits and unwanted traits. Mutations also cause changes in the DNA.
What is the original source of all variations in heritable traits?
Mutation
Horses traits for basic colors and variations on those colors are inherited how?
Independently
Which of these was part of Charles Darwin's theory?
Genetic recombinations of DNA cause variations of genetic traits .
What is a polymorphic character?
" many bodies " traits. The three alleles for blood type is an example of this. Height/size is another example of this and many other variations in animal physiology are examples of this. Discrete traits, everybody has a heart, are in contrast to this, but even in discrete traits there are variations.
What are genetic traits?
Genetic traits are variations of features passed on to offspring from there parents.
Which of these humans traits is altered by variations in environment?
height
Can mutations increase the variations in a species' traits?
Yes
Which of the traits is altered by variations in the environment?
Blood type
Why does natural selection depend on variations and DNA?
The variations in the DNA are responsible in differences between desirable traits and unwanted traits. Mutations also cause changes in the DNA.
What is the original source of all variations in heritable traits?
Mutation
Where does mitosis and meisosis occur?
In the mitochondria
Processes is least likely to introduce variations into the genetic make-up of a population?
Mitosis
What are the differences in inherited traits between members of a species called?
variations
What part of a dog is responsible for all the variations of traits in dogs?
The Owners
Where does meisosis take place?
In a cells nucleus
Horses traits for basic colors and variations on those colors are inherited how?
Independently
