Mendel and His Peas
The passing pof traits from parents to offspring
What is heredity?
The offspring from Mendel's first cross.
What were first generation plants?
Instructions for an inherited trait.
What are genes?
Genetic information is located on these.
What are chromosomes?
Four base nucleotides.
What are adenine, guanine, thiamine, and cytosine?
DNA stands for this.
What is Deoxiribonucleic Acid?
This man discovered the principles of heredity.
Who is Gregor Mendel?
The trait that seemed to disappear in the first generation.
What is a recessevive trait?
Different versions of a gene.
What are alleles?
The number of chromosomes humans have.
What is 46?
Who is the scientist that discovered that there are equal amounts of adenine as there is thymine.
Who was Chargaff?
RNA contains this base.
Whatg is Uracil?
This happens when pollen from one plant fertilizes eggs in another plant.
What is cross pollination?
The dominant to recessive ratio.
What is 3 to 1.
An organism's appearance.
What is it's phenotype?
Chromosomes that have the same sets of genes.
What ar homologous chromosomes?
What is bundled up to make chromosomes more compact before a cell divides.
What are chromatin?
A change in the DNA sequence.
What is a mutation?
The idea that each trait of the offspring is a mixture of traits from both parents.
What is blending inheritance?
The genetic characteristic that appears in an offspring that masks the other characteristic.
What is a dominant characteristic
A tool used to predict the possible genotypes of offspring.
What is a Punnet square?
Cells that have homologous Chromosomes are cal this.
What are Diploid cells?
Another type of molecule that helps make proteins.
What is RNA?
Plants that consistently produce offspring with the same traits as the parent.
What are true breeding plants?
The male part of the flower.
What sre the anthers?
A plant with two dominant or two recessive alleles.
What is homozygous ?
Copying process that produces cells that have half of the usual number of chromosomes.
What is Meiosis?
Each group of three bases codes for this.
What are amino acids?