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The primary Spermatocyte has a chromosome number of 46, the secondary Spermatocyte has 23.
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∙ 14y ago
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An ass has 64 chromosomes and a mule is a horseass hybrid Descibe why there will be a difficulty in meiosis in mules?
The answer is more complicated than chromosome number. Offspring of a cross between Przewalski's horse (66 chromosomes) and the domestic horse (64 chromosomes) are trisomic (2n+1) just like mules, mollies and hinnys, yet they are not sterile. The problem is that while horses and donkeys share much of the same genetic information, it is structured differently. Testicular meiosis is arrested in Mules and hinny stallions at the primary spermatocyte stage because of incompatibility of synaptal pairing between paternal and maternal chromosomes.
How many chromosomes do alligators have?
crocodilians don't have chromosomes.
How many chromosomes do ducks have?
they have 14 pairs of chromosomes
How many chromosomes does a lynx have?
Approx. 38 chromosomes.
How many chromosomes do Ant have?
i believe its 2
If there are 13 homologues in a primary spermatocyte how many chromosomes are there in a sperm?
there are 13 chromosomes, each with 2 sister chromatids
How many strands of DNA is present in a primary spermatocyte?
There are only two strands within the DNA that is present in a primary spermatocyte. There are many double stranded breakage DNAs withing the spermatocyte.
If there are 13 pairs of homologous chromosomes in a primary spermatocyte how many chromosomes are there in a sperm?
The haploid number is 13 and the diploid number is 26
How many primary spermatocyte?
4
How many spermatids are formed from one spermatocyte?
4 spermatids are formed from one primary spermatocyte.
How many chromosomes in a spermatid?
A primary spermatocyte will have 46 chromosomes or chromatids. Primary spermatocytes are diploid cells. Secondary spermatocytes are haploid cells with only 23 chromosomes.
How many sperm are formed from one primary spermatocyte?
80
Is secondary spermatocyte haploid or diploid why?
secondary oocytes are haploid cells carrying 23 chromosomes. After fertilization by sperm a Zygote is formed with a diploid number 46.
The number of spermatids formed by one primary spermatocyte is?
4 spermatids
Sperm are produced within the testes by the process of?
Spermatogenesis- takes place in the seminiferous tubule of the testesIt is the form of gametogenesis taking place in males and utilises the two forms of nuclear division to produce a haploid gamete.A cell from the germinal epithelium (2n) divides by mitosis to form the spermatagonia (2n), which then develops into the primary spermatocyte (2n). The primary spermatocyte divides by meiosis 1 to form the secondary spermatocyte (n), which divides by meiosis 2 to become the spermatid (n). This spermatid develops and matures in the epididymis to form the final spermatazoon (or just sperm)Germinal epithelium --> Spermatagonia --> Primary spermatocyte --> Secondary spermatocyte --> Spermatid --> Spermatazoon
Meiosis in the male mammals result in the formation of?
The primary spermatocyte is diploid(2n) and after first meiotic division it will produce 2 haploid(n) secondary spermatocyte and these in turn after second meiotic division will produce 2 more haploid secondary spermatocyte. Therefore by the end of Meiosis one will have 4 haploid secondary spermatocyte or spermatids.
If the body cells of humans contain 46 chromosomes a single sperm cell should have?
A primary spermatocyte with 46 chromosomes will undergo meiosis and yield four spermatids with 23 chromosomes. A primary spermatocyte undergoes meiosis I two haploid secondary spermatocytes are produced.
