Bio Process Lab 🧪🔬🥼- Sci Oly

Alleles

Different variations of the same gene

Arm

The part of a compound microscope that connects the tube to the base

Asexual Reproduction

Reproduction that does not involve the union of gametes; results in offspring that are genetically identical to their parent

Co-dominance

Both dominant alleles in an individual are expressed and visible in the phenotype

Diaphragm

A rotating disk under the stage used to vary the amount of light passing through the stage opening

Dominant Allele

An allele that will always be expressed, except for occurrences such as, but not limited to, co-dominance

Eyepiece Lens

The lens at the top of a compound microscope that an observer looks into

Genotype

The genetic makeup of an organism or group of organisms with reference to certain traits

Illuminator

A steady light source commonly used in place of a mirror in compound microscopes

Monosomy

A genetic discrepancy in which an individual is missing a chromosome

Multiple Alleles

A type of non-Mendelian inheritance pattern where there are three or more alleles for a single trait; results in three or more phenotypes (e.g., blood types)

Nondisjunction

The failure of chromosomes to completely separate and segregate into daughter cells during meiosis; results in monosomy or trisomy

Objective Lens

The lens of a compound microscope closest to the object; common powers are 4x, 10x, 40x, and 100x

Phenotype

The physical appearance of an organism resulting from the interaction of the genotype and the environment

Punnett Square

A genetic probability diagram used to show the gametes of each parent and their possible offspring

Rack Stop

An adjustment of compound microscopes that determines how close the objective lens can get to the slide

Recessive Allele

An allele that can be masked by any present dominant alleles

Revolving Nosepiece

Also known as a turret, the part of a compound microscope that holds two or more objective lenses and can be rotated to easily change power

Sexual Reproduction

Reproduction involving the union of gametes; results in genetic variation among offspring

Stage

The flat platform on compound microscopes where one places their slides for observation

Stage Clips

Clips on a compound microscope's stage used to hold the slide in place

Trisomy

A genetic discrepancy in which an individual has an extra chromosome

Tube

Connects the eyepiece to the objective lenses in a compound microscope

Turret

Also known as a revolving nosepiece, the part of a compound microscope that holds two or more objective lenses and can be rotated to easily change power