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Environmental sex determination is a process where an individual's sex is determined by environmental cues during development rather than genetic factors. This system is seen in some species like reptiles and fish, where factors like temperature or social conditions can influence whether an individual develops as a male or female.
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What are the historical background of different cytology?
the historical background of different cytology:1. SEX!!!2.SEX!!!3.SEX!!!4.SEX!!!5.SEX!!!6.SEX!!!7.SEX!!!8.SEX!!!9.SEX!!!10.SEX!!!11SEX!!!12.SEX!!!13.SEX!!!14.SEX!!!15.SEX!!!16.SEX!!!17.SEX!!!18.SEX!!!19.SEX!!!20.SEX!!!21.-Infinity: SEX!!!
What are 3 examples of where external environmental stimuli result in an ASP response and which division of ANS is responding?
Someone cutting you off as you're driving, someone jumping out of the bushes, or someone pointing a gun at you. The part of the ANS that will respond is responsible for the alarm response and is called the sympathetic nervous system (SNS).
What postmortem parameter begins at 3 days?
Rigor mortis is a postmortem parameter that typically begins around 3-4 hours after death and can last up to 2-3 days, depending on various factors such as temperature and environmental conditions.
What are the explanations for the different kinds of sex?
There are at least 3 types of sex which include oral, anal, and vaginal.Oral sex isn't sex in the commonly understood sense. Partners take each others nipples, penis, vaginal area, or anal area into their mouth for stimulation. It's also licking sensitive spots on the body. Diseases can be transmitted this way.Anal sex is where a man's penis enters another person's anus (poop hole), or when a woman uses strap-on dildo (fake penis) with another person. Either partner may be male or female. Couples of any sexual orientation can do this. Diseases can be transmitted this way, particularly if the active partner is male and unprotected.Vaginal sex is where a man's penis or a woman's dildo enters a woman's vagina. Diseases can be transmitted this way.
What are the names of the 10 systems in the human body?
1) Cardiovascular System 2) Digestive System 3) Endocrine System 4) Female & Male Reproductive Systems 5) Lymphatic System 6) Musculoskeletal System 7) Nervous System 8) Respiratory System 9) Skin and Sense Organs 10) Urinary System
Does a kangaroo give birth?
nether, but the sperm does. there are 2 different types of sperm, one that makes the offspring male and one that makes the offspring female. the thing that makes the 2 types of sperm are called chromosomes.This is what i found on wikipedia:XX/X0 sex chromosomesMain article: XY sex-determination system The XX/XY sex-determination system is the most familiar sex-determination systems, as it is found in human beings, most other mammals, as well as some insects. However, at least one monotreme, the platypus, presents a particular sex determination scheme that in some ways resembles that of the ZW sex chromosomes of birds, and also lacks the SRY gene, whereas some rodents, such as several Arvicolinae (voles and lemmings), are also noted for their unusual sex determination systems. The platypus has ten sex chromosomes; males have an XYXYXYXYXY pattern while females have ten X chromosomes. Although it is an XY system, the platypus' sex chromosomes share no homologues with eutherian sex chromosomes.[1] Instead, homologues with eutherian sex chromosomes lie on the platypus chromosome 6, which means that the eutherian sex chromosomes were autosomes at the time that the monotremes diverged from the therian mammals (marsupials and eutherian mammals). However, homologues to the avian DMRT1 gene on platypus sex chromosomes X3 and X5 and suggest that its possible the sex-determining gene for the platypus is the same one that is involved in bird sex-determination. However, more research must be conducted in order to determine the exact sex determining gene of the platypus.[2]In the XY sex-determination system, females have two of the same kind of sex chromosome (XX), while males have two distinct sex chromosomes (XY). Some species (including humans) have a gene SRY on the Y chromosome that determines maleness; others (such as the fruit fly) use the presence of two X chromosomes to determine femaleness. The XY sex chromosomes are different in shape and size from each other unlike the autosomes, and are termed allosomes.XX/X0 sex determinationMain article: X0 sex-determination system In this variant of the XY system, females have two copies of the sex chromosome (XX) but males have only one (X0). The 0denotes the absence of a second sex chromosome. This system is observed in a number of insects, including the grasshoppers and crickets of order Orthoptera and in cockroaches (order Blattodea).The nematode C. elegans is male with one sex chromosome (X0); with a pair of chromosomes (XX) it is a hermaphrodite.ZW sex chromosomesMain article: ZW sex-determination system The ZW sex-determination system is found in birds and some insects and other organisms. The ZW sex-determination system is reversed compared to the XY system: females have two different kinds of chromosomes (ZW), and males have two of the same kind of chromosomes (ZZ). In the chicken, this was found to be dependent on the expression of DMRT1.[3]HaplodiploidyMain articles: Ploidy and Haplodiploid sex-determination system Haplodiploidy is found in insects belonging to Hymenoptera, such as ants and bees. Unfertilized eggs develop into haploid individuals, which are the males. Diploid individuals are generally female but may be sterile males. Thus, if a queen bee mates with one drone, her daughters share ¾ of their genes with each other, not ½ as in the XY and ZW systems. This is believed to be significant for the development of eusociality, as it increases the significance of kin selection. This[clarification needed] is common also in wasps that are parasitic and in the male greenflies.
What are the 3 ds of basketball?
Desire, Dedication and Determination
What are the uses of emf measurements?
1- Determination of activity coefficient . 2-determination of of composition of complex ion. 3-Potentiometric titrations.
Intro of environmental science?
Environmental education involves 3 disciplines, namely, 1. Environmental Studies 2. Environmental Science and 3. Environmental Engineering. Environmental Science is a discipline concerned with study of processes in air, water, soil and organisms which cause damage to environment.
What is the 3 important Ds to remember when Apparating?
Destination, Determination and Deliberation.
What are the release dates for Natural Born Killers - 2009 Determination and Persistance 3-5?
Natural Born Killers - 2009 Determination and Persistance 3-5 was released on: USA: 30 January 2012
What are the 3 main themes of the Odyssey?
1. Loyalty 2. Determination 3. Mind over strength
What are the release dates for Self-Determination - 2008?
Self-Determination - 2008 was released on: USA: 3 February 2008 (San Diego Black Film Festival)
What is the climax of 3%?
sex
how much is sex?
3
What is the earliest you can find out you are pregnant after sex?
3 weeks after sex at the earliest
What can a determination do?
Determination is one the greatest assets we can possess.1.Determination is the tool we use to overcome temporary failure to prevent failure from becoming permanent.2. Determination is the tool we use to give us the will to win.3. Determination is the tool we use to help us win in spite of our limitations.4. Determination is the tool we use to dig ourselves out of a hole.5. Determination is the tool we use to improve our relationships.6. Determination is the tool we use to reach our goals.7. Determination is the tool we use to succeed.8. Determination can bring out the best in us.9. Determination is the tool we use to produce patience.10. Determination is the tool we use to feed our faith and starve our doubts to death.And these are just a few examples what a determination can do. There are more things that have determination but this is a very good example to what a Determination is.
