Science-Mendel To Mendeleev Flashcards
What is a Autosome?
A Autosome is any chromosome that is not a sex chromosome.
What is a allele?
A allele is a different form of a gene
What is a chromosome?
A chromosome is a structure in a cell nucleus that carries the genes; each chromosome consists of one very long strand of DNA, tightly wound.
What is a chromatid?
A chromatid is a individual strand in a duplicated chromosome.
What is DNA?
DNA (Deoxyribonucleic acid) is a complex giant molecule that controls all the various functions in a cell; usually organised into chromosomes and contained in the cell nucleus.
What is a diploid?
A diploid is two copies of each specific chromosome; somatic cells are diploid.
What is a dominant allele?
A dominant allele is one that is always expressed.
What is a double helix?
A double helix is the shape of DNA molecule consisting of two strands that twist around each other creating a ‘twisted ladder’
What is a gamete?
A gamete is a sex cell; in humans, the sperm and egg.
What is gene?
A gene is a section of DNA molecule that contains information for one characteristic.
What is genotype?
A genotype is a symbolic representation of a pair or alleles.
