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Genetics Quiz - SMS

Gregory Mendel the "Father" of genetics
J. Watson & F. Crick discovered DNA
4 bases of DNA: adenine, quanine, cytosine AND _____________ thymine
DNA is short for: De-oxy-ri-bo-Nu-cle-ic Acid
Modern name of Down's Syndrome trisomy-23
sickle cell anemia affects the ___________ joints
cystic fibrosis affects the _____________________ respiratory system, pancreas and sweat glands
gamete a new reproductive cell
zygote a fertilized egg
genetics the study of traits
homozygous has two like genes
hybrid has two unlike ancestors
phenotype the outward physical appearance
heterozygous has two unlike genes
purebred has two like ancestors
genotype all the genes of an organism
mutation a permanent change in a gene
Genetics is the scientific study of how characteristics are passed from parent to offspring
A cell · A cell is the basic unit of structure and function in an organism
A Gene is a unit of hereditary information that carries hereditary offspring from one generation to another and is located on the chromosomes
DNA is a complex chemical, which is a major component of chromosomes and genes.
Chromosomes are rod shaped bodies that carry hereditary traits in the form of genes
simple fission receives the DNA from only one parent
mitosis is nuclear division that produces new cells for growth , repair and replacement, it takes place in all cells
meiosis is cell division in the reproductive organs to produce gametes, which are eggs and sperm
alleles are pairs of genes that are located at corresponding positions on homologous chromosomes
proteins are used to build cell structures and are used as enzymes
Protein Synthesis is the making of proteins using the information that is found in the chromosomes
dominanat and recessive It occurs when the allele of the dominant gene masks the recessive gene.
co-dominance happens when two alleles don’t completely mask each other, and both are expressed
nucleus contains DNA and other heritable material, and controls all the activities of the cell
cytoplasm where many of the chemical activities of life are carried out
organelles such as mitochondria and ribosomes, which carry out specific functions in the cell.
cell membrane surrounds the cell, controls the entry and exit of substances and protects the cell.
RNA is the messenger; it copies the DNA information and transfers the information to other cells
Genome Map describes the order and spacing of genes on chromosomes
DNA Chips help identify particular genes by squirting DNA onto the probes on the chip. The chip will light up in response for the particular gene it is searching for
Created by: SimardRR