Inheritance Flashcards
What is the nucleus a site of ?
Genetic material
Chromosomes
Genes
IN PLANTS AND ANIMALS
Define genes
A short section of DNA, each gene coded for a specific protein by ordering aa
Define allele
A different form of a gene
Define dominant
Expressed if one there
Define recessive
Expressed if two there
Define heterozygous
Meaning one of different allele
Define homozygous
Two both same allele
Define phenotype
The characteristics expressed by an individual. For example colour of eyes
Define genotype
Genetic makeup of an individuals .
The particular combination of alleles
What is monohybrid cross
The study of the inheritance of one characteristic
What is cystic fibrosis
Inherited disorder that affects the cell membranes, causing production of thick and sticky mucus.
Caused by a recessive allele.
What is polydactyly
An inherited conduction.
Person has extra fingers or toes
Caused by dominant allele of a gene .
What is huntington’s disease?
Inherited disorder that affects the nervous system.
Dominant allele
Positive to screening
See if u have condition.
Negatives of screening
False positive
Baby hurt
Ethical reasons
Not for ever possible inherited disorder