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Traits
Reproduction
Genes
Scientists
Misc.
100
The information that controls traits is located here.
What is on the chromosomes?
100
The cell that results when an egg cell and a sperm cell unite.
What is a fertilized egg?
100
The study of how traits are passed from parents to offspring.
What is genetics?
100
The scientist whose pictures suggested that DNA was twisted.
Who is Rosalind Franklin?
100
The gene whose effect can be hidden.
What is recessive?
200
Traits that are passed from parent to offspring.
What is inherited?
200
Two parents contribute to form the offspring cell.
What happens when most many-celled organisms reproduce?
200
The part of the chromosome that carries information and controls traits.
What is a gene?
200
The scientist that studied pea plants.
Who is Mendel?
200
An example of a single celled organism.
What is an ameba?
300
They include some diseases.
What is true about traits?
300
Their offspring can have only dominant genes, only recessive genes, or be a hybrid.
What is a hybrid bred to another hybrid?
300
Plants and animals usually inherit this many genes for a trait.
What is at least two?
300
Mendel used this to describe and analyze the results of his experiments.
What is mathematics?
300
Many kinds of bacteria divide as often as . . .
What is every 20 minutes?
400
They can produce new traits, produce different traits, and can be passed down to offspring.
What are mutations?
400
Is responsible of the development of plumper turkeys, shorter sheep and larger ears of corn.
What is selective breeding?
400
Tiny threadlike structures in the nucleus of a cell.
What are chromosomes?
400
The year scientists recognized the importance of Mendel's ideas.
What is 1900?
400
Mutations produced fruit without this.
What are seeds?
500
Having a greater variety of traits can help a species
What is survive changes in its environment?
500
Inside each grain of pollen.
What is a sperm cell?
500
A gene is the part of a chromosome that . . .
What is carry information and controls a trait?
500
Experimented with fruit flies to learn about chromosomes.
Who is Thomas Hunt Morgan?
500
Certain fruit flies were studied because they have this.
What are giant chromosomes?