What is the most popular breed of hen for laying eggs?
Leghorn
Plants that have the same alleles for a trait
homozygous
producing a genetically identical replica of another plant or animal
Cloning
Mating animals of different breeds is called
cross breeding
Deliberately controlling and manipulating the reproduction of plants is
propagation
What is the average number of eggs a chicken lays in a year?
300
Genes located at corresponding loci on homologous chromosomes are called
alleles
altering the genes of an organism including introducing genes from other species
genetic engineering
Cattle that do not have horns due to genetics are
polled
The method of using cut segments of leaves, stems, or roots placed in growing media to develop into new plants is
cuttings
How many days does it take for a chick to hatch?
21
The actual expression of the inherited trait is called the
phenotype
the transplantation of normal genes into cells in place of missing or defective ones in order to correct genetic disorders
gene therapy
The general term for the mother or female parent is the
dam
The place where the two parts of the graft meet is called the
union
What letter grade would you give an egg while candling that has an air bubble the size of a dime?
AA
involves one set of genes or alleles for a single locus
monohybrid cross
crops and animals with the most desirable traits are bred to produce offspring with the same characteristics
selective breeds
The general term for the young of an animal is its
offspring
The process of a seed developing into a plant is known as
germination
What is the term for a chicken that is laying eggs?
Hen
involves two pairs of alleles at two loci
dihybrid cross
plants used in agriculture in which the DNA has been modified using genetic engineering to introduce a new trait to the plant that does not occur naturally in that species
GMO Crops
The general term for the father or male parent is the
sire
Plants created through asexual means are ____ to the parent plant.
identical