Cell Biology Questions
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the two microtubule-organizing centers( MTOCs) that form the mitotic spindle of animal cells are called
consider and organism that has three pairs of chromosomes. at the start of meiosis II, each cell would have ----chromosomes and ----chromatids.
male humans produce mature sperm by a process called
the position of a gene on a chromosome, such as gene A in the image, is called its
in addition to the nucleus, eukaryotic organelles called the ---- and the --- contain a small amount of their own DNA
in a diploid cell, each member of a pair of chromosomes is called
which of the following best describes the outcome of meiosis I in humans?
the ---- stage of meiosis I is characterized by the separation of the two pairs of sister chromatids with a bivalent from each other and their migration to opposite poles of the cell.
true or false: the sequence of bases of one homolog typically differs by less than 0..1% relative to sequence of the other homolog
which of the following organelles contain their own DNA?
the interchange of corresponding chromatid segments of homologous chromosomes during prophase I of meiosis is called
in meiosis crossing over refers to the physical exchange of pieces between --chromatids of ---chromosomes
during prophase of meiosis I, homologous chromosomes recognize and begin to align with each other via a process called
arrange the stages of prophase I of meoisis in order, starting with earliest phase at the top
at the molecular level, the sequence of bases of one homolog usually differs by ----from that of the other homolog.
during prophase of mitosis, the nuclear membrane break down into small vesicles and the nucleus becomes less visible. furthermore, the two ----move apart from each other and the motic---- begain to form
human somatic cells contains how many chromosomes
--- genes are those that are physically located on the X chromosome.
chromosomes that determine whether an individual is a male or female are called
what process involves the fusion of games in fertilization to produce a new organism?