Test 1- 2 of 3 Flashcards
(31 cards)
Geographical formations like the Grand Canyon that took millions of years to form were evidence for the theory of UNIFORMITARIANISM
Charles Lyell
Big opponent of Lamarck
George Cuvier
The forces acting today that shape the Earth are the same forces that acted in the past
Charles Lyell- UNIFORMITARIANISM
Malthus said that human population size increases ___________ . Whereas food resources only increas ___________.
- Exponentially
2. Linearly
Relationship between natural selection and adaption
Natural selection acts on individuals, population has adapted to environment
Identical strands of DNA, two make up chromosome
Chromatid
Chromatids are held together by the ____________.
Centromere
Involves 2 cellular divisions
Meiosis
of daughter cells produced in mitosis
2
of daughter cells produced in meiosis
4
of chromosomes in daughter cells in mitosis
Diploid (2 complete sets of chromosomes, one from each parent)
of chromosomes in daughter cells in meiosis
Haploid (having a single set of unpaired chromosomes)
Generic structure of daughter cell compared to parent cell in Mitosis
Identical
Generic structure of daughter cell compared to parent cell in meiosis
Different
Functional result in mitosis
Exact duplication
Functional result in meiosis
Virtually infinite genetic variability
of cell divisions in mitosis
1
of cells divisions in meiosis
2
What phase does crossing over/recombination happen in?
Prophase 1
DNA is composed of nucleotides which is made up of
Sugar, phosphates, bases
Adenine pairs with ________.
Thymine
Guanine pairs with
Cytosine
Genes consist of a series of __________.
Nucleotides
Proteins consists of a series of ____________.
Amino Acids
