gene inheritance Flashcards
what are the genetic units that regulate such inherited traits.
Genes
every trait has at least how many alleles?
2 (one from mother and one from father)
Each pairs of chromosome has how many identical alleles.
2 identical alleles
A dominant and a recessive trait can be expressed by?
a pair of homologous chromosome.
The homologous chromosome pairs are?
The same length, centromere position, and pattern.
Most gene have how many alleles
2
define as chromosome with same length, same centromere position and gene location.
Homologous
define as gene with same allele on chromosome
Homozygous
identical alleles of the gene are present on both homologous chromosomes.
homozygote.
A diploid organism is ________ at a gene locus when its cells contain two different alleles (one wild-type allele and one mutant allele) of a gene. The cell or organism is called a?
heterozygote.
how many does the allele in each gene of each individual has?
2
an organism’s genetic information
genotype
the set of observable physical traits
phenotype
A pair of alleles is called?
genotype
expresses characteristic of an organism is called?
phenotype
