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;
16 Cards in this Set
- Front
- Back
|
Gene |
Segment of DNA that codes for a protein or RNA molecule |
|
|
Chromosome |
Structure in nucleus that are made up of DNA and protein |
|
|
Chromatid |
Two exact copies of DNA that make up chromosome |
|
|
Autosome |
Chromosome not involved in determining the sex of an individual |
|
|
Autosome |
Chromosome not involved in determining the sex of an individual |
|
|
Zygote |
Fertilized egg cell, first cell in an organism |
|
|
Cytokinesis |
Process in which cytoplasm divides |
|
|
Spindle |
Involved in moving chromosomes during cell division |
|
|
Prokaryotes divide by… |
Adding a new cell membrane between the two DNA copies |
|
|
Before DNA coils up… |
The DNA is copied |
|
|
When genes are being used… |
DNA is stretched out so the info it contains can be used to direct the synthesis of protein |
|
|
Fertilization |
Fusion of two haploid gametes -forms a diploid zygote |
|
|
Y Chromosome is… |
Male (XY) |
|
|
Disjunction |
When sperm and egg cells form, each chromosome and it's homologue seperate |
|
|
Non disjunction |
If one or more chromosome fail to seperate |
|
|
Centrosome |
Organelle that organizes the assembly of spindles |
