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Why would this pocedure work with spermatids but not with primary spermatocytes?
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What are two secondary factors that affect solute diffusion?
The primary determing factor would be the size of the substance
How is a snail a primary consumer?
An herbivorous snail would be a primary consumer. Not all snails are herbivorous, however.
What trophic level would a herbivore occup?
An herbivore is a primary consumer.
Why would an organic chemist prefer to read primary sources about experiments in her field rather than secondary sources?
Why would an organic chemist prefer to read primary sources about experiments In her field rather than secondary sources
What tropic level would an autotrophic organisms occupy?
Primary producer
What type of cell division produce the sperm and egg cell?
it is formed by meiosis. At first the spermatazoa go through mitosis making two spermatocytes. which then goes through meiosis producing 4 spermatids which then go through spermogenisi n make 4 sperm cells
Why do you get sperm?
I get sperm for my biological purpose. That is, to sexually reproduce. If you are a male; I would assume that's the same reason why you get sperm. If your female; then I'm worried deeply about you. If you're wondering where sperm comes from or how it's made... I can tell you that it's made from the human body. Specifically, by the DNA which provides information to create the sperm cells (like a manual). The making of sperm is called spermatogenesis. Sperm are basically complex cells which simply contain the males genetic code. Sperm cells come from spermatogonium. Spermatogonium contains 46 chromosomes. It duplicates it DNA and divides by meiosis. One cell becomes a Spermatogonium (which will undergo this process again) and another becomes a primary spermatocyte, each cell has 46 chromosomes. The spermatocyte divides by meiosis to produce two secondary spermatocytes, each containing 23 chromosomes. These divide again to provide spermatids, each with 23 chromosomes. Then the spermatids differentiate into sperm cells, all containing 23 chromosomes which will be paired up with 23 others upon fertilization (sex). Spermatogenesis takes place in the testicles.
Which one could produce a sperm with two x chromosomes nondisjunction during meiosis 1 or nondisjunction during meiosis 2?
During meiosis I of a primary spermatocyte (an immature sperm cell that hasn't gone through either round of meiosis yet), the homologous chromosomes are supposed to separate, so the XX and YY chromosomes should separate into two different secondary spermatocytes (I wrote XX and YY since there are two sister chromatids for each chromosome). If non-disjunction occurs here, you'd get an one secondary spermatocyte with XXYY and one with no sex chromosomes (so, that's the answer to your question). During meiosis II, this sister chromatids separate (i.e. XX separates so that one X is given to each cell, and so on with the rest of the chromosomes). In the XXYY spermatocyte, one copy of X and one copy of Y go to each daughter cell as the sister chromatids separate. This results in two XY spermatids and two spermatids with no sex chromosomes being produced (as long as there isn't another non-disjunction). Then they eventually becoming a mature sperm. If one of those XY sperm ever makes its way to an egg and fertilizes it, you'd get an XXY zygote (which would usually be viable and always male). If one of the sex-chromosome-less sperm fertilizes an egg, the zygote would be X0 (female), but probably wouldn't be viable and die in utero.
What is the name of the primary recipient of benefits If you wereare the recipient?
The name of the primary recipient of benefits would be you if you were the primary recipient. If you were on with someone else, for example a parent, then the parent would be the primary recipient.
Which situation would the Republic of Korea have primary jurisdiction?
In which of the following situations would the US have primary jurisdiction?
If grass and shrubs were removed from rural Massachusetts ecosystem what would most likely happen?
What would happen if grasses and shrubs were removed from an ecosystem? A.the primary consumers would increaseB.the primary consumers would become secondary consumersC.the primary consumers would die out or move elsewhereD.the primary consumers would stay unchanged
What would be a primary key?
8 <-
Who would a Primary Care doctor refer you to?
A PCP (Primary Care Physician) would refer you to any specialists that you might need.
What is a primary when it comes to politics?
A 'Primary' is the first person to hold a place in office. For example the Presidential 'Primary' would be George Washington.
Would declaration of independence be primary or secondary source?
It would be a primary sourcebecause it is word for word as it was written. In a similar more obscure way, letters written by Adams to Jefferson are primary sources.
Are red foxes primary producers?
No, they are not primary producers. Depending on the food chain, they would be a secondary consumer. A primary producer would be grass or trees.
Is a potato a primary producer?
A potato is an autotroph, making it's own food. That would mean it is a producer. Primary producer would be redundant.
