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Why do children look similar to their parents explain?

Why do children look similar to their parents explain?

Children often look like some combination of their parents. This is because each parent gives the child some of themselves {gene}. A child is made from the information found in the cells of the parents. That means they have two copies of each gene, but a person will give only one of these genes to their child.

Why do children look like their biological parents?

Because the degree of likeness between offspring and parents depends on a large number of genetic and environmental factors, attributing the resemblance to some kind of genetic bias is “really stretching it,” he said.

How can biological siblings have the same parents but look different?

At first it might seem like kids from the same parents should look alike. But brothers and sisters don’t look exactly alike because everyone (including parents) actually has two copies of most of their genes. And these copies can be different. Parents pass one of their two copies of each of their genes to their kids.

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What causes the variation among siblings even though they come from the same biological parents?

Scientists find similar and different genes in siblings, often even on the same chromosome. This mix-up is possible because of a biological mechanism called chromosomal crossover. Chromosomal crossover happens when a diploid cell divides into four cells to make sperm or egg cells.

Why do some families look alike?

Children inherit pairs of genes from their parents. A child gets one set of genes from the father and one set from the mother. These genes can match up in many ways to make different combinations. This is why many family members look a lot alike and others don’t look like each other at all.

Why don t some children look like their parents?

Even where children’s genes look identical to their parents, their bodies and minds could well differ, influenced by many other factors, including the portions of the parents’ DNA that don’t code for genes, their environment, and their behavior.

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Why some children look different from their parents?

Why don t Some kids look like their parents?

All of the different combinations of these genes come together to determine how you look. Even though we get all our DNA from our parents, each of us has a unique combination of genes. Sometimes that means we don’t look like them at all. There are tons of genes that shape our appearance.

Why do some siblings look more alike?

Because of recombination, siblings only share about 50 percent of the same DNA, on average, Dennis says. So while biological siblings have the same family tree, their genetic code might be different in at least one of the areas looked at in a given test. That’s true even for fraternal twins.