hereditary terms Flashcards
law that states that 1 gamete will have 1 allele
law of segregation
law that states that genes for different characters are inherited independently
law of independent assortment
expressed characteristics of an individual inherited from the parent
phenotype
set of information from the DNA that encodes for specific trait or group of traits
genes
is the process of passing on of traits from parents to offspring.
heredity
is the presence of different frequencies of traits among individuals or populations
variation
these are the organism’s complete set of genes
Genome
contains bundles of tightly coiled DNA located within the nucleus of every cell in the body
chromosome
subunit of chromosome where two turns of DNA is wrapped around a set of eight proteins called histones.
nucleosome
traits that come from chromosome 1-22
autosomal traits
traits that come from chromosome x-y
sex linked traits
result of any parental test-cross
filial generation
complete overshadowing of the dominant trait over the recessive trait.
complete dominance
-occurs when the phenotype
of the offspring is somewhere
in between the phenotypes of
both parents; a completely
dominant allele does not
occur
incomplete dominance
-two dominant alleles
of a contrasting pair
fully expressed at the
same time in the
heterozygous
individual
co-dominance