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Mitosis and Meiosis
DNA
Vocabulary
More Vocabulary
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100
Occurs in every somatic (body) cell.
What is mitosis?
100
The actual name of the compound DNA.
What is deoxyribonucleic acid?
100
A characteristic of an organism that can pass on to the offspring through its genes.
What is a trait?
100
An organism with two dominant or two recessive genes.
What is a purebred?
100
An organism's physical appearance or visible traits.
What is its phenotype?
200
Occurs only in the gametes.
What is meiosis?
200
The four bases that make up DNA.
What are adenine, cytosine, guanine, and thymine?
200
A section of DNA on a chromosome that controls a trait.
What is a gene?
200
An organism with one dominant gene and one recessive gene.
What is a hybrid.
200
An organism's genetic makeup - the type of alleles.
What is genotype?
300
Number of daughter cells produced in mitosis.
What is two?
300
The names of the two scientists that discovered the structure of DNA.
Who is James Watson and Francis Crick?
300
The different forms of a gene.
What is an allele?
300
Another way to describe a purebred.
What is homozygous?
300
A condition where both alleles for a gene are expressed.
What is codominance?
400
Number of daughter cells produced at the end of meiosis.
What is 4?
400
How the structure of DNA is described.
What is a double helix?
400
An allele that is masked when a dominant allele is present.
What is a recessive gene.
400
Another way to describe a hybrid.
What is heterozygous?
400
A sperm or an egg cell.
What is a gamete?
500
A female organism with 50 chromosomes in each of her body cells will have ____ chromosomes in each egg cell.
What is 25?
500
The name of the scientist that took the first x-ray pictures of DNA.
Who is Rosalind Franklin?
500
An allele whose trait always shows up in an organism when the allele shows up.
What is a dominant gene?
500
A type of inheritance in which one allele is not completely dominant over another - they blend.
What is incomplete dominance?
500
A body cell.
What is a somatic cell?