How many chromosomes are in a rat's sex cells
WebMar 30, 2024 · The chromosomes, each of which is a double structure consisting of duplicate chromatids, line up along the midline of the cell at metaphase. In anaphase each chromatid pair separates into two identical chromosomes that are pulled to opposite ends of the cell by the spindle fibres. WebA diploid somatic cell from a rat has a total of 42 chromosomes (2n=42). What is the total number of chromosomes present in a rat somatic cell in G2? 84 126 21 O 42 168 If a diploid cell has 40 chromatids, how many telomeres are …
How many chromosomes are in a rat's sex cells
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Weba) cells with 2 copies of each chromosome and 2 copies of each chromosome b) cells with 3 copies of each chromosome and 1 copy of each chromosome c) cells with 6 copies of each chromosome and 2 copies of each chromosome d)cells with 4 copies of each chromosome and 0 copies of each chromosome WebThe 23rd pair of chromosomes are called allosomes. These consist of two X chromosomesin most females, and an X chromosome and a Y chromosomein most …
WebApr 13, 2024 · Meiosis is a type of cell division in sexually reproducing organisms that reduces the number of chromosomes in gametes (the sex cells, or egg and sperm). In … WebJun 28, 2024 · The foals sired by jack donkeys were a male and a female, phenotypically mule-like and having 63 chromosomes (63 XX and 63 XY), of which the karyotypes were similar to that of the mule. Finally, the six offspring sired by two sons of the original mule had karyotypes similar to that of Equus equinus (64 paired chromosomes).
WebSex cells (sperm or egg cells) in mice contain 20 chromosomes. How many chromosomes does the fertilized egg cell of a mouse conta a sperm cell. a. 10 b. 20 c, 40 d. 60 in? (A fertilized egg cell is an egg This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. See Answer
WebApr 11, 2024 · We can think of meiosis as a way cells very carefully count and divide their chromosomes so that each gamete, each egg or sperm, has exactly 23 chromosomes. Then when an egg with its 23 chromosomes is fertilized by a sperm with its 23 chromosomes, the resulting fertilized egg has exactly 46 chromosomes.
WebJan 31, 2024 · That male chromosome contains a sex-determining region Y (SRY) gene that stimulates male sexual differentiation in many mammalian species, including humans. … sífilis pdf 2020WebThe picture below shows the cellular processes that four rat cells, each holding 92 chromosomes, underwent. Use the picture to answer any questions that follow. Which of the following cells underwent mitosis? answer choices Cell W Cell X Cell Y Cell Z Tags: SC.7.L.16.3 Question 9 30 seconds Q. In mitosis, replication occurs before the cell divides. sifilis nedirWebIn humans the sex chromosomes consist of one pair of the total of 23 pairs of chromosomes. The other 22 pairs of chromosomes are called autosomes. Individuals … sifilis power pointWebApr 11, 2024 · The nucleus of each sex cell contains half of the original genetic material. In men, these cells develop into sperm cells. In women, only one of the four sex cells … sifilis pdf 2020WebThe rats with 38 chromosomes had two pairs of marker chromosomes (2 long metacentric pairs). ... Cytological identification of sex in somatic cells of the rat, Rattus norvegicus. … the power sum hackerrank solution c++WebHow many chromosomes are present in a rat sperm cell? Easy. A. 21. B. 42. C. 23. D. 19. Solution. The chromosome number in gamete of a rat is 21. Get Instant Solutions. When … sífilis pdf 2022WebJan 31, 2024 · "If you move outside the mammals, there are all sorts of sex chromosomes and exceptions like the duckbill platypus who has five sets of X and Y, and they can't find differences between males... the power structure of the ottoman empire