20 terms

Mendel

STUDY
PLAY

Terms in this set (...)

Fertilization
Joining of sperm and egg to produce zygote
True-Breeding
A term used to describe organisms that produce offspring identical to themselves
Gene
Section of DNA that determines trait
Hybrid
An animal or plant that is produced from two animals or plants of different kinds
Allele
The different forms of a gene
Homozygous
Organisms that have 2 identical alleles for a particular trait
Heterozygous
Organisms that have two different alleles for the same trait
Genotype
the particular combination of alleles for a particular gene
Phenotype
Physical characteristics
Punnett Square
A diagram that can predict a genetic cross for next generation
Incomplete Dominance
An allele is not completely dominant over another thus intermediate characteristic shows up in case of heterozygous genotype
Codominance
Both alleles are dominant thus both characteristics shows up in case of heterozygous genotype
Multiple Allele
Having more than 2 alleles
Sex Linked Genes
Genes found on X chromosomes like Color Blindness gene
Non-disjunction
Uneven separation of chromosome during mitosis or meiosis
the failure of one or more pairs of homologous chromosomes or sister chromatids to separate normally during nuclear division
Karyotype
A picture of homologous chromosomes arranged by size (1-23)
pedigree
A chart that show the relationships within a family.
Autosome
Chromosomes that are not responsible in sex determination. Chromosome no 1-22
Sex Chromosome
Pair of chromosome that is responsible in determining sex. (XX=Female, XY=Male). Chromosome no 23
Chromosome Disorder
A change in the normal structure or number of chromosomes which results in abnormality.