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This would be the haploid condition.
Allele
HomologousWe receive one complete set of chromosomes from each parent. This means that for each chromosome, say chromosome 7, there are two copies in every cell of our bodies: the maternal and paternal copies of chromosome 7.The two copies of one chromosome are called a pair of homologous chromosomes.
Sister chromatids are two copies of a replicated chromosome. Chromosomes occur in pairs. These will be separated in anaphase of mitosis and one chromatid pair will be left for each daughter cell.
A chromosome pair, as in a pair of Chromosome 15, or a pair of Chromosome 5. Others have said Tetrad - Pls stand-by.
chromatid
In organisms that reproduce sexually, their sex cells, or gametes, are haploid. This means they only have one copy of each gene. So gametes are cells that only contain one chromosome for each pair.
In a chromosome pair, a single chromosome is called a chromatid and the two chromotids in the pair are commonly called "sister chromatids."
This would be the haploid condition.
Allele
Haploid
HomologousWe receive one complete set of chromosomes from each parent. This means that for each chromosome, say chromosome 7, there are two copies in every cell of our bodies: the maternal and paternal copies of chromosome 7.The two copies of one chromosome are called a pair of homologous chromosomes.
Sister chromatids are two copies of a replicated chromosome. Chromosomes occur in pairs. These will be separated in anaphase of mitosis and one chromatid pair will be left for each daughter cell.
A chromosome pair, as in a pair of Chromosome 15, or a pair of Chromosome 5. Others have said Tetrad - Pls stand-by.
Haploid
Gametes only have one of each chromosome, whereas somatic cells have a pair.
Most homologous pairs look alike. They carry genes for the same characteristics and line up on the chromosome in the same order!