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42 Cards in this Set

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What happens to the number of chromosomes in mitosis?

They are duplicated.

Define Diploid.

The number of chromosomes in a somatic cell.

Define Haploid.

The number of chromosomes in a gamete cell.

Define Homologous Chromosomes.

Same type of chromosome in the types of genes they carry.

What happens to the number of chromosomes in meiosis?

They split in half.

What's the purpose of mitosis?

To create Somatic body cells.

What's the purpose of meiosis?

To create gametes.

(Ex. Egg, sperm, pollen)

Define genotype.

Tells the actual genes a person has.

(Ex. BB, Bb, bb)

Define heredity.

The passing on of characteristics from one generation to the next.

Define phenotype.

Tell what the genes would have made the person look like.

(Ex. Brown eyes, red hair, tall)

Monohybrid or dihybrid?


Monohybrid of dihybrid?


Define incomplete dominance.

A cross between organisms with two different phenotypes. They produce offspring with a third phenotype that is a blend.

Define Co-Dominance.

When both traits appear together.

Define sex linkage.

Traits determined by genes carried only on the sex chromosomes.

Define polygenic inheritance.

A single trait controlled by many genes.

Define epistasis.

When many genes interact to control a single trait.

Define pleiotropy.

When one gene affects more than one trait.

Define evolution.

A change in the gene pool of a population over time.

Define fitness.

A measure of an organism's genetic contribution to the next generation.

Define genetic drift.

A random change in the gene pool.

Define population.

A group of individuals of one species in a certain area.

Define species.

A group of organisms that breed with one another and produce fertile offspring in the natural environment.

Define natural selection.

Organisms with traits well suited to their environment.

What is another name for natural selection?

Survival of the fittest.

What does it take to form a new species?

Reproductive Isolation.

What are the 5 parts of the hardy-Weinberg equilibrium?

1. No natural selection.

2. No migration.

3. No mutations.

4. Random mating.

5. An infinitely large population.


What happens when the Hardy-Weinberg conditions are met?

The gene pool would stay the same so Evolution wouldn't happen.

List the four rules of natural selection.

1. Overproduction.

2. Genetic variation.

3. Struggle to survive.

4. Differential reproduction.



Define carrying capacity.

The number of individuals that an environment can support.

What happens to the electrons in the chlorophyll when they absorb light?

The energy from the light excites the electron.

What colors are absorbed by chlorophyll the most?

Violet, blue & red.

What is produced when your muscle cells are forced into fermentation?

Lactic acid.

Where does most of the energy go from breaking down glucose?

It's turned into heat.

What is the purpose of photosynthesis?

To make glucose.

What is the formula for photosynthesis?

6 CO2 + 6 H2O + (light energy) >>> C6 H12 O6 + 6 O2

What's the organelle for photosynthesis?


What are the names of the processes in photosynthesis?

Light reactions & Calvin cycle.

What's the purpose of cellular respiration?

The portion of the energy from glucose into more usable molecules of ATP.

What is the formula for cellular respiration?

C6 H12 06 + 6 CO2 >>> 6 H20 + ENERGY

What is the organelle for cellular respiration?


What are the names of the processes in cellular respiration?

Glycolysis, the kreb cycle, oxidative decarboxylation, and the electron transport chain.