The chance of them having the same recessive gene is low.

他们有相同性基因的几率很低。

Spirit bears are actually a subspecies of black bear that due to double recessive gene aren't black at all.

白灵熊实际上是黑熊的个亚种，由于双性基因，白灵熊根本不是黑色的。

Spirit bears are actually a subspecies of black bear that due to double recessive gene aren't black at all.

灵熊实际上是黑熊的个亚种。但由于双性基因，灵熊的毛也不黑。

But Thanos was a bit of a wildcard, because he also possessed a recessive Deviant gene, explaining his appearance.

但灭霸有难以捉摸， 因为他还有性的异常基因，这解释了他的长相。

Rather, red hair is a recessive gene, meaning both parents must have it in order for their children to show it.

相反， 红头是种性基因，这意味着父母双方都必须有它才能让他们的孩子表现出来。

However, it's safe to say that  Thanos was a bit of a wild card, because he also possessed a recessive Deviant  gene, which explains his purply appearance.

然而， 可以肯定地说， 灭霸有像张黑名单，因为他还有性的异常基因，这解释了他紫色的外表。

A theory might invoke dominant and recessive genes to explain how brown-haired parents ended up with a red-headed child, or use gravity to shed light on the parabolic trajectory of a baseball.

个理论可能会引入显性和性基因来解释为什么棕色头的父母 会生出红色头的小孩，或者运用重力来阐释棒球的抛物线轨迹。

So, we know if you have offspring with someone genetically close to you like a sister or a cousin, it might mean that the child inherits two recessive genes.

所以， 我们知道， 如果您的后代与遗传上与您亲近的人（ 如姐妹或表亲）生育， 这可能意味着该孩子遗传了两个性基因。

Experts still aren't sure exactly why it happens, but they believe four-leaf clovers are likely a result of either a rare recessive gene, or genetic mutations in the DNA of a clover plant.

专家们仍然不确定为什么会生这种情况，但他们认为四叶草可能是种罕见的性基因或三叶草植物 DNA 基因突变的结果。

In fact, even when both parents carry a recessive gene, there's still a 75% chance that they won't both pass on the gene, leading to perfectly healthy kids with respect to that particular disorder or disease.

事实上，即使父母双方都携带有性基因，他们也有75%的几率不会同时将该基因遗传给下代，从而使孩子们在有几率患上某种疾病或失调的同时保持完全健康。