Genetics & Heredity

What traits do daughters inherit from their fathers?

What traits do daughters inherit from their fathers?

Eye color is a complex phenomenon, with dominant and recessive genes both playing a role in the outcome. Similarly, if...
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How much DNA do aunts and nieces share?

It's remarkable how closely connected we are to those who share our blood. We can trace nearly a quarter of...
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Why do humans not have a mating season?

Unlike other species, humans don't have an obvious mating season since we express our desires for connection and bonding all...
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What is the rarest hair color?

Red hair is the rarest of all colors, and this can be accredited to its limited MC1R variants. Just three...
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Who carries the twin gene?

Who carries the twin gene?

The quick answer to this question is that, in a twin pregnancy, it is the mother's genes that determine twins. First up,...
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Can two blood positives make a negative baby?

Can two blood positives make a negative baby?

Absolutely! As long as neither parent carries the Rhesus D gene, this can be made possible. The Punnett square below...
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Which parent determines the blood type of the child?

If you want to determine your child's blood type, it is essential to consider both parents! An allele of the...
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Do twins have the same blood type?

Identical twins have the same blood type, as they originate from a single fertilized egg. Conversely, fraternal twins may have...
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What blood type lives the longest?

What blood type lives the longest?

Chances are higher that you'll live longer if you have type O blood. Experts think your lowered risk of disease in your...
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Who’s DNA is closer brother or son?

Who’s DNA is closer brother or son?

While you are made up of a distinct blend of your parents' genes and novel mutations, statistically speaking, you share...
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Are you more related to parents or siblings?

Generally, we are just as connected genetically to our parents and siblings alike - though there may be some slight...
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Which parent determines hair color?

Inherited hair color is determined by the genetic code of 46 chromosomes (half from mom, half from dad) that are...
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How do 2 men have a baby?

These days, more same-sex male couples are creating their own families through surrogacy. Full or gestational surrogacy is when a fertilised...
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Will humans evolve to fly?

Will humans evolve to fly?

Given our existing physical makeup, it would be incredibly unlikely for a mutation to occur. In addition, natural selection wouldn't...
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At what age do you stop growing?

Girls generally reach their maximum height at 14 or 15, while boys may keep growing until 16 and likely show...
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What causes down syndrome?

The presence of an additional chromosome 21 in individuals with Down syndrome is the root cause behind their distinct physical...
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What race has the strongest sperm?

What race has the strongest sperm?

For centuries, people have wondered who has the strongest sperm — and why. This question is not only interesting but...
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Can a baby have two biological fathers?

Can a baby have two biological fathers?

It is conceivable that stem cells from a male could be used to develop an egg, thus making it possible...
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Is intelligence genetic?

Intelligence is an intricate part of human nature that is determined by both genetic and environmental aspects. The Nature vs...
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How can a man tell if a child is his?

To find out if your child is biologically yours, a DNA paternity test can be used. Ask your healthcare provider for...
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Do first born daughters look like their dads?

Contrary to popular belief, there is no scientific evidence that suggests all firstborn daughters necessarily resemble their fathers. The Science...
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Can a baby DNA change while pregnant?

Even before they enter the world, babies experience epigenetic modifications to their DNA via a process called methylation which can...
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