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A pair of chromosomes is called homologous because?
A pair of chromosomes is called homologous because they contain the same genes in the same order, although they may have different alleles for some genes. Homologous chromosomes are inherited from each parent and have similar structures, allowing for processes like recombination and genetic diversity during sexual reproduction.
Is homologous chromosomes only present in cells that undergo meiosis?
No, homologous chromosomes are present in both cells that undergo meiosis and cells that undergo mitosis. In meiosis, homologous chromosomes pair up and exchange genetic material, while in mitosis, homologous chromosomes separate and move to opposite poles of the cell.
What human body cell consists of 22 homologous pairs?
Any human cell except for the gametes (sperm and egg cells) consists of 22 homologous pairs of autosomes. Gametes have one set of 22 autosomes but not homologous pairs, as they are haploid cells.
What results form the process of crossing-over during prophase 1?
I do GP Biology (9th year here), and I'm on the quiz "Week 13-Meiosis: The Life Cycle of S-x Cells". I got the question What happens during crossing over? The answer was "homologous chromosomes trades pieces of DNA." Hope this was the answer you're looking for!
How many chromosomes does a kidney cell have?
There are 46 chromosomes in kidney cells, big toe cells, and tip-of-the-nose cells.This is because humans are diploid organisms (having two sets of chromosomes in all cells except gametes(23 chromosomes) and mature red blood cells, which extruded their nuclei when they were developing), and 46 is the human diploid number.
