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~ SCIENCE

Genetics

QuestionAnswer
Chromosomes other than sex chromosomes Autosomes
Rod-like bodies made of DNA that carry heredity traits in the form of genes Chromosomes
Form of inheritance where the two alleles [genes] for the characteristic are expressed Co-dominance
No. of chromosomes in normal body cells [somatic cells] Diploid
No. of chromosomes in a gamete Haploid
Genotype of an individual that has the same genes for a particular characteristic Homozygous
Form of inheritance where two different genes interact to produce an intermediate phenotype different to both parents Heterozygous
Using letters to represent the gene complement of an organism Genotype
The observable characteristics of an organism Phenotype
Organelle in animal cells that produce the spindle during cell division Centromere
Position on a chromosome which attaches to the spindle during cell division Centriole
Chromosomes that are similiar in length, shape & position of the centromere & have genes for the same characteristics at corresponding positions along their length Homologous
Theoretical units of inheritance on chromosomes Gene
Chemical which makes up the genes on the chromosomes DNA
Definition of asexual reproduction When organisms produce new individuals by themselves
What are the advantages of asexual reproduction Time & energy are not used to produce sex cells
Name 3 types of asexual reproduction Binary fission, budding, spores
Development of new individuals from an unfertilised egg Parthenogenesis
Births that result without any meeting between eggs & sperm Virgin births
What does DNA stand for DeoxyriboNucleic Acid
Created by: Tina Arina on 2010-05-20



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