What do males inherit from their mothers

In the case of women, for example, saying that they are similar to the mother may not be true, since, in many cases, the father's genes are the ones that most manifest themselves. Another theory indicates that the parent's lifestyle before conception of the baby , including what you eat and practice, are the foundation of your child's future health. The goal here is to show what characteristics you can inherit from your father or mother.

Most of the time, children inherit the shape of the tip of the nose, the area around the lips, the size of the cheekbones, the corners of the eyes and the shape of the chin of a parent.

These are the main areas highlighted during a facial recognition. However, male genes are more aggressive than female genes. This can be explained by the period during pregnancy. The woman's body identifies the fetus as partially foreign. To save the baby, it is necessary to find harmony with the father's aggressive genes - sometimes at the expense of the genes themselves. Even so, it is still possible to define which characteristics can be inherited from each one of them.

Scientists point out that the sex of the future baby depends on the father. From the mother, the child always receives the X chromosome. From the parent, the fetus can receive an X chromosome which means it will be a girl or a Y chromosome which means the arrival of a boy. If a man has many siblings, he is more likely to have children. On the other hand, if there are more sisters, the probability of having a daughter is much greater. Only a few individuals have a relatively equal number of the two chromosomes in their sperm , which guarantees equal chances of conceiving a boy or girl.

Y chromosomes have fewer genes than X and some of them are responsible for the development of male genitals. That's why a boy is likely to look like his mother. When it comes to girls, they are given X chromosomes from both parents, so it's impossible to know who they might look like.

Children's intelligence can come from the mother. The genes responsible for intelligence are contained on the X chromosome. That is why children inherit the intelligence mothers.

The daughters receive the intelligence of both. The two alleles in a gene pair are inherited, one from each parent. Alleles interact with each other in different ways. These are called inheritance patterns.

Examples of inheritance patterns include:. An allele of a gene is said to be dominant when it effectively overrules the other recessive allele.

The allele for brown eyes B is dominant over the allele for blue eyes b. So, if you have one allele for brown eyes and one allele for blue eyes Bb , your eyes will be brown. This is also the case if you have two alleles for brown eyes, BB. However, if both alleles are for the recessive trait in this case, blue eyes, bb you will inherit blue eyes. For blood groups, the alleles are A, B and O. The A allele is dominant over the O allele. Blood group A is said to have a dominant inheritance pattern over blood group O.

If the father has two O alleles OO , he has the blood group O. For each child that couple has, each parent will pass on one or the other of those two alleles. This is shown in figure 1. This means that each one of their children has a 50 per cent chance of having blood group A AO and a 50 per cent chance of having blood group O OO , depending on which alleles they inherit.

The combination of alleles that you have is called your genotype e. The observable trait that you have — in this case blood group A — is your phenotype. If a person has one changed q and one unchanged Q copy of a gene, and they do not have the condition associated with that gene change, they are said to be a carrier of that condition. The condition is said to have a recessive inheritance pattern — it is not expressed if there is a functioning copy of the gene present.

If two people are carriers Qq of the same recessive genetic condition, there is a 25 per cent or one in four chance that they may both pass the changed copy of the gene on to their child qq, see figure 2. As the child then does not have an unchanged, fully functioning copy of the gene, they will develop the condition. There is also a 25 per cent chance that each child of the same parents may be unaffected, and a 50 per cent chance that they may be carriers of the condition.

Recessive genetic conditions are more likely to arise if two parents are related, although they are still quite rare. Examples of autosomal recessive genetic conditions include cystic fibrosis and phenylketonuria PKU. Not all genes are either dominant or recessive. Sometimes, each allele in the gene pair carries equal weight and will show up as a combined physical characteristic.

The A and B alleles are said to be co-dominant. Someone with one copy of A and one copy of B has the blood group AB. A cell reproduces by copying its genetic information then splitting in half, forming two individual cells. Occasionally, an alteration occurs in this process, causing a genetic change. When this happens, chemical messages sent to the cell may also change. For example, skin cancer can be caused by a build-up of spontaneous changes in genes in the skin cells caused by damage from UV radiation.

Other causes of spontaneous gene changes in somatic cells include exposure to chemicals and cigarette smoke. About half of the Australian population will be affected at some point in their life by a condition that is at least partly genetic in origin. Scientists estimate that more than 10, conditions are caused by changes in single genes.

Having a genetic susceptibility to a condition does not mean that you will develop the condition. It means that you are at increased risk of developing it if certain environmental factors, such as diet or exposure to chemicals, trigger its onset.

If these triggering conditions do not occur, you may never develop the condition. A second study showed that despite education, race and socio-economic class, the IQ level of the mother could be a good indicator for that of a baby.

Most often, babies are a perfectly intricate mix of both parents, but there are still more than a few things they could pick up from just mom or dad. Does your little one have any traits from you? Wondering what type of personality your baby will have? You or your partner's? Check out this genetic explanation of how personality is determined. Jacqueline Weiss is a blogger, freelance writer and social media consultant based in Los Angeles.

A graduate of Emerson college, she is passionate about wellness, fitness, and beauty. Jacqueline Weiss.