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When the sperm meets the egg. The sprem contains the gender in the form of an x or y chromosome
Wiki User
∙ 16y ago
Wiki User
∙ 15y ago18-22 weeks with a normal ultrasound machine. With 3d or 4d usually as early as 14 weeks
Wiki User
∙ 7y agoThe fetus gets its gender at conception. If the egg is fertilized with a Y chromosome, the fetus is a male. If it is fertilized with an X chromosome, it is female
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How can the gender of a crayfish be determined?
The female crayfish has no appendages and the male has two
Is it true that the only thing determined by the genes carried on sex chromosome is a person gender?
Yes
Which trimester does the fingers and toes develop?
the third trimester
How are gender distinguish?
Gender is mainly distinguished by the reproductive organs but there is also a difference in height, shoulder width, hip width, breasts and the type and amount of hormones your body produces (for example, eostrogren -excuse spelling!). However your gender is ultimately determined by what you actually feel it is, whether that is what you are physically are or not.
Is a speckled egg a boy or girl?
The colour of bird eggs has no bearing on the gender of the embryo - that's determined on a genetic level at the time of conception !
How many weeks pregnant is the gender of the fetus formed?
gender is determined at the moment of conception, however it isn't until around the 16th to the 17th week of pregnancy that the sex of the fetus can be determined by ultasound.
Is your fetus a female during the first trimester of pregnancy?
Your fetus' sex is determined at fertilization. However, the external genitalia don't start developing until the 11th week of gestation, but will still not be visible on ultrasound.
When can you determin a babys sex while pregnant?
The baby's gender can usually be determined by ultrasound in the mid to late second trimester of the pregnancy. The baby's gender usually begins to develop during the latter half of the first trimester (about 8 weeks).
What best describes what happens to a developing fetus during third trimester?
the organs grow larger
What trimester does the fetus accumulate body fat and mineral stores?
3rd trimester
When we can determin foetal sex?
Most often the gender of a fetus is determined by looking at the genitals on an ultrasound. For a more reliable answer, expecting parents can use chorionic villus sampling or amniocentesis. However, a new study has found that a simple, non-invasive blood test will be able to reliably determine the gender of a fetus at 7 weeks. The blood test is currently used in Europe and will probably be available in the US in 2012.
What trimester is the fetus most susceptible to the detrimental effects of alcohol on development?
the first trimester
What trimester in pregnancy can you figure out the gender of the baby?
2nd trimester
When does a teratogen affects the fetus most seriously?
in the first trimester
When the cow fetus begin to demand feed?
At the third trimester.
How does the developing fetus change in the third trimester?
It grows in size
A fetus acquires fingerprints at what age?
in the first trimester/3 MONTHS
