Examlex
What is the magnification of a Newtonian telescope that has a primary mirror of diameter 0.25 m and focal length of 2 m when used with an eyepiece of focal length 25 mm and an optical diameter of 5 mm?
Defective Alleles
Variant forms of a gene that may cause a malfunction or absence of the gene's normal function.
Genetic
Relating to genes or heredity, encompassing the study of how traits and characteristics are transmitted from parents to offspring.
Down Syndrome
A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, resulting in a distinctive set of physical and intellectual traits.
Extra Chromosome
A genetic condition where an individual has more than the usual number of chromosomes, leading to developmental differences and physical anomalies.
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