Shared Flashcard Set

Details

Chapter 10
GEEE! netics
27
Biology
9th Grade
06/13/2010

Additional Biology Flashcards

 


 

Cards

Term
Heredity
Definition
The passing on of characteristics from parents to offspring.
Term
Trait
Definition
Characteristics that are inherited.
Term
Genetics
Definition
The branch of biology that studies heredity.
Term
Gamete
Definition
Male or female sex cell.
Term
Fertilization
Definition
The process of the male sex cell uniting with the female sex cell.
Term
Zygote
Definition
A fertilized cell.
Term
Pollination
Definition
The transfer of pollen grains from a male reproductive organ to a female reproductive organ.
Term
Hybrid
Definition
The offspring of parents that have different traits.
Term
Allele
Definition
Multiple different gene forms.
Term
Dominant
Definition
A trait that if it is present is always represented
Term
Recessive
Definition
A trait that there must be two alleles of it to have it represented.
Term
Law of Segregation
Definition
That every individual has two alleles of each gene and when gametes are produced each gamete receives one of these alleles.
Term
Phenotype
Definition
The way an organism acts and behaves
Term
Genotype
Definition
The allele combination of an organism
Term
Homozygous
Definition
When a trait has two of the same alleles.
Term
Heterozygous
Definition
When a trait has two different alleles.
Term
Law of Independent assortment
Definition
That different traits are inherited separately.
Term
Diploid
Definition
A cell with 2n numbers of chromosomes.
Term
Haploid
Definition
A cell with n numbers of chromosomes.
Term
Homologous Chromosome
Definition
The two chromosomes of a diploid cell.
Term
Meiosis
Definition
The process of splitting sex cells to form new ones.
Term
Sperm
Definition
Male gametes
Term
Egg
Definition
Female gametes
Term
Sexual Reproduction
Definition
Fusion of sex cells
Term
Crossing over
Definition
The process of homologous chromosomes breaking and exchanging genetic material.
Term
Genetic Recombination
Definition
The reassortment of chromosomes of the homologous chromosomes
Term
Nondisjuction
Definition
The failure of homologous chromosomes to separate properly.
Supporting users have an ad free experience!