DNA
An allele that only shows their effect if the organism has 2 copies of it
What is a recessive allele?
The physical trait shown, example brown eyes or brown hair
What is phenotype?
The creation of offspring with combined genetic information of a male and female
What is sexual reproduction?
A cell without a nucleus
What is a prokaryote?
Which of the following statements is true about extinction?
1. Humans are the only cause of extinctions, so up until recently, extinctions were very rare
2. Many species have become extinct throughout Earth's history
What does a lower case letter, like b, represent?
What is a recessive trait?
Reproduction that requires only 1 parent
What is asexual reproduction?
Threadlike strucutres found in all cells.
What is a chromosome?
The control center of the cell
What is a nucleus?
Which of the following is NOT an example of adaptation?
1. A pebble that has been smoothed by erosion
2. A fish's coloring that allows it to belind into its environment
What is 1?
An allele that shows it's effect even if the organism just has one copy of it
What is a dominant allele?
The genetic makeup of an individual
What is genotype?
Organisms that contain chloroplasts in their cels to capture energy from sunlight for growth
What is a plant?
A cell with a nucleus
What is a eukaryote?
Which of the following statements is true?
1. Because they all have different ways of getting energy, plants, animals and fungi cannot be related to one another
2. Because they look so similar, plants and fungi are more closely related to each other than either is to animals
3. Plants, animals, and fungi are all related, but animals and fungi are more closely related to each other than either is to plants
What is 3?
What does a capital letter, like B, represent?
What is a dominant trait?
The creation of offspring with combined genetic information of a male and female
What is reproduction?
Organisms that decompose and absorb nutrients from the organic material they grow in
What are fungi?
Small, specialized parts that carry out specific functions in a cell
What is an organelle?
Which of the following statements is NOT true?
1. Genes are related to heredity because parents pass them along to their offspring
2. In sexually reproducing organisms, each parent passes along their entire genetic information to their offspring
3. In sexually reproducing organisms, each parent passes along half of their genetic information to their offspring
4. In asexually reproducing organisms, each parent passes along their entire genetic information to their offspring
What is 2?
True or False. Every living thing has it genetic information stored in DNA
What is true?
A form of the same gene that has small differences in the sequence of DNA bases
What is an allele?
Organisms that eat other organisms for energy
What is an animal?
Organelle whose primary job is to build proteins in cells
What are ribosomes?
Which of the following statements is true about the size and shape of cells?
1. All cells are the same size and shape
2. All cells are the same size, but not all cells are the same shape
3. All cells are the same shape, but not all cells are the same size
4. Different cells can have both different sizes and different shapes
What is 4?