Terms in this set (38)
The passing of genetic traits from parent to offspring
A genetically determined characteristic
One of the alternative forms of a gene that governs a characteristic, such as hair color
One set of instructions for an inherited trait
A molecule that is present in all living cells and that contains the information that determines the traits that a living thing inherits and needs to live
Chromosomes that have the same sequence of genes and the same structure
Sex chromosomes XX,XY
On pair of chromosomes that determine the sex of an individual. XX is for women's and XY is for men
The likelihood that a possible future event will occur in any given instance of the event,
An organisms appearance or other detectable characteristic
The entire genetic makeup of an organism; also the combination of genes for one or more specific traits
A diagram that shows he occurrence of a genetic trait in several generations of a family
A change in the nucleotide- base sequence of a gene or DNA molecule
A process in cell division during which the number of chromosomes decreases to half the original number by two divisions of the nucleus, which results in the production of sex cells
Reproduction in which the sex cells from two parents unite to produce offspring that share traits from both parents
Reproduction that doesn't involve the union of sex cells and in which one parent produces offspring that are genetically identical to the parent
A form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the same size
A reproductive cell or multicellular structure that is resistant to stressful environmental conditions and that can develop into an adult without fusing with another cell
The human practice of breeding animals or plants that have certain desired traits
Pollen from one plant fertilizes the ovule of a flower on a different plant
The allele that is shown with capital letters and appears in the first generation
Alleles that are shown with lower case letters and that are shown in the second generation
A plant with two dominant or two recessive alleles
A plant that has the genotype Pp
Used to organize all the possible combinations of offspring from particular parents
When traits don't blend together, but each allele has it's own degree or influence
When the structures inside the cell are copied, and then the parent cell divides, making two exact copies.
When the genes are carried on the X chromosome
a structure of DNA and protein found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements and other nucleotide sequences.
the science of genes, heredity, and variation in living organisms
A gene that you receive from your parents
True- breeding(pure bred)
All of it's offspring will have the same trait as the parent
the process of joining two complementary strands of DNA
the number and appearance of chromosomes in the nucleus. The term is also used for the complete set of chromosomes in a species, or an individual organism.
breed from closely related people or animals, esp. over many generations.
the process of producing similar populations of genetically identical individuals that occurs in nature when organisms such as bacteria, insects or plants reproduce asexually
the direct manipulation of an organism's genome using biotechnology.
the union of a human egg and the spam.The result of this union is the production of a Zygote, or fertilized egg.
the process of renewal, restoration, and growth that makes genomes, cells, organisms, and ecosystems resilient to natural fluctuations or events that cause disturbance or damage.
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