Genetic Inheritance (Leaving Cert Biology): Flashcards
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Genetics
Genetics
Study of inheritance
Inheritance
Inheritance
Passing of traits from one generation to the next
Cell continuity
Cell continuity
Ability of cells to divide & survive across generations
Fertilisation
Fertilisation
Fusion of 2 haploid gametes to form diploid zygote
Allele
Allele
Different form of the same gene
Locus
Locus
Position of a gene on a chromosome
Homozygous
Homozygous
Two alleles are the same
Heterozygous
Heterozygous
Two alleles are different
Dominant allele
Dominant allele
Masks effect of recessive allele
Recessive allele
Recessive allele
Prevented from working by dominant allele
Genotype
Genotype
Genetic make-up of organism (e.g. BB, Bb, bb)
Phenotype
Phenotype
Physical appearance/trait expressed by organism
Allele notation rule
Allele notation rule
Capital = dominant, lowercase = recessive
Another term for homozygous
Another term for homozygous
Pure breeding
Phenotype of Bb genotype
Phenotype of Bb genotype
Brown eyes (dominant masks recessive)