Genetics for Cody

Vocabulary

17 cards·by Lisa Jo Curry

Heterozygous/hybrid

two different alleles (Bb) A carrier is also heterozygous

Homozygous/purebred

2 of the same alleles (bb, BB)

Phenotype

physical characteristics-(tall)

Genotype

genetic makeup- (BB, Bb, bb) male (XY) female (XX)

Probability

likelihood an event will occur

Alleles

different forms of a trait

Chromosomes

are made of genes that are made of DNA

Dominant

allele that will also show up when present

Recessive

allele that is masked by dominant and must have another recessive to show its characteristics

Mutation

any change in a gene or chromosome

Sex-linked chromosomes

are linked to the X chromosome so then males will have much higher chance to get the trait since they only have one X (XY)

Punnet squares

a chart to show the probability of off springs and their trait possibilities

Pedigrees

a chart that shows which members of a family with a particular trait.

autosomal

pertaining to a chromosome that is not a sex chromosome

sex linked

tending to be associated with one sex or the other

carrier

a person/organism that has inherited a recessive allele for a genetic trait or mutation but does not display that trait

clone

an organism or cell, or group of organisms or cells, produced asexually from one ancestor or stock, to which they are genetically identical