Cell Division
How many cells are the end result of mitosis?
2
Is the genotype RR homozygous or heterozygous?
homozygous
30 kJ
Which scientist studied finches on the Galapagos Islands?
Charles Darwin
During what phase of mitosis do the chromosomes begin to separate to opposite sides of the cell?
Anaphase
What are the cells called at the end of meiosis? Haploid or diploid?
Haploid cells
If you cross Rr with Rr, how many of the offspring will be homozygous recessive?
1 or 25%
Two bears fight for a chance to mate with a female bear. This is an example of which type of biological relationship?
Competition
Natural selection is the process of a population changing over __________.
What is a variation of a trait called? Hint: starts with an A
Allele
How many chromosomes are in a gamete?
23 chromosomes
Which scientist is responsible for crossing pea plants and understanding the idea of heredity?
Gregor Mendel
Which biome consists of forests that change colors and die during fall and wintertime?
Deciduous forests
What is the formation of a new species called?
Speciation
Over time a population of wolves begins to die out, what would happen to the population of moose that the wolves typically eat?
The process of exchanging genetic information during meiosis.
Crossing over
Two parents are completely dominant for brown hair color. What is the probability of them having a child with a recessive genotype?
0%
Commensalism
True or false: Humans come from monkeys
FALSE
How many chromosomes are in a somatic cell?
46 chromosomes
What is the phase called when the chromosomes line up in the center of the cell?
Metaphase
A trait that has many possible outcomes, such as human height, is known as a _______________ trait.
polygenic
The amount of individuals the population can sustain
Two finches live on separate islands. They come from a common ancestor. One finch adapted a beak for eating nuts. What kind of beak do they have?
Short, stout, wide, big
NOT: Long, skinny
Anatomy