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Study with Quizlet and memorize flashcards containing terms like The two major groups of cell types in the human body are called, The gametes are located in the ___________________ organs., The number of chromosomes in the typical human body cell is ____ and more.
The chromosomes are in pairs because you get 23 chromosomes from each parent. The chromosome pairs come from parents, 23 from the mother, and 23 from the father, which is a total of 46 chromosomes in your body. A dog’s diploid number of chromosomes is 78.
1. What are the two major groups of cell types in the human body? _____ 2. Where are gametes located? _____ 3.How many chromosomes are in a typical human body cell? _____ MAIN IDEA: Your cells have autosomes and sex chromosomes. Fill in the concept map below to summarize what you know about chromosomes. somatic cell autosome fertilization ...
Match. Study with Quizlet and memorize flashcards containing terms like Structure in nucleus that contains heridatory material, Section of DNA, Codes instruction for cells and more.
Preview. Study with Quizlet and memorize flashcards containing terms like What are the two major groups of cell types in the human body?, Where are gametes located?, How many chromosomes are In a typical human body? and more.
The first stage of meiosis I is prophase I. In prophase I the chromosomes pair up so that the chromosomes in each pair are homologous. Once the homologous chromosomes are paired up, crossing over occurs. Crossing over is the exchange of genetic material between non-sister chromatids.
6.1 Chromosomes and Meiosis KEY CONCEPT Gametes have half the number of chromosomes that body cells have. MAIN IDEAS • You have body cells and gametes. • Your cells have autosomes and sex chromosomes. • Body cells are diploid; gametes are haploid. VOCABULARY somatic cell, p. 168 gamete, p. 168 homologous chromosome, p. 169 autosome, p. 169
