Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
Chromosome
|
Doubled rod of condensed chromatin. 23 pairs in the human body.
|
|
|
Allele
|
The different forms of a gene.
|
|
|
Telephase
|
Cell grows and makes a copy of its DNA
|
|
|
Mitosis-Prophase
|
Chromatin condenses to form chromosomes
|
|
|
Mitosis-Metaphase
|
Chromosomes line up across the center of the cell
|
|
|
Mitosis-Anaphase
|
Centromere split and chromosomes divide
|
|
|
Mitosis-Telephase
|
2 new nuclei are formed
|
|
|
Cytokinesis
|
2 new daughter cells are formed
|
|
|
Mitosis
|
Stage of the cell cycle during which the cell's nucleus divides
|
|
Punnet Square
|
Chart that shows all of the possible allele combinations that can result from a genetic cross
|
|
Percentages
|
A) 43%
B) 63% C) 52% D) 75% E) 90% |
|
|
Trait
|
A characteristic that an organism can pass on to its offspring
|
|
|
Fertilization
|
The joining of egg and sperm
|
|
|
Gene
|
The set of info that controls a trait; a segment of DNA on a chromosome that codes for a specific trait
|
|
|
Dominant Allele
|
An allele whose trait always shows up in the organism when the allele is present
|
|
|
Recessive Allele
|
An allele that is masked when a dominant allele is present
|
|
|
Hybrid
|
An organism that has 2 different allele fpr a trait; an organism that is heterozygous for a particular trait
|
|
|
Purebreed
|
The offspring of many generations that have the same traits
|
|
|
Homozygous
|
Having 2 identical alleles for a trait
|
|
|
Heterozygous
|
Having 2 different alleles for a trait
|
|
|
Genotype
|
An organism's genetic makeup
|
|
|
Phenotype
|
An organism's physical appearance
|
|
|
Probability
|
A number that describes how likely it is that an event will occur
|
|
|
Mutation
|
A change i a gene or chromosome
|
|
|
Co-Dominance
|
A condition in which neither of 2 alleles of a gene is dominant or recessive
|
|
T______ & _______
C_______ & _______ |
Thymine & Adenine
Cytosine & Guanine |
