If one parent has blue eyes and one has brown eyes, their children may have either blue eyes or brown eyes, but most probably will have brown eyes. The gene for blue eyes is recessive (隐性的) and the gene for brown eyes is dominant (显性的). This means that if a child gets a ...
访问沪江小D查看blue eyes的更多详细解释> 参考例句 The allele for blue eyes is recessive蓝色眼睛的等位基因是隐性的。 She has blue and bright eyes.她有一对蓝色的欢快的眼睛。 Blue eyes are recessive and brown eyes are dominant.蓝眼睛是隐性的;而褐色眼睛是显性的。 He has clear blue eyes and ...
If brown eyes are dominant over blue eyes and a brown-eyed man marries a blue-eyed woman, what color eyes might their offspring have?The EyesThe eyes are a unique physical feature as well as a complex anatomical structure that enable...
To determine the genotype of the brown-eyed couple who has a blue-eyed child, we can follow these steps:Step 1: Understand the Traits - Brown eyes (B) are dominant over blue eyes (b). - This means that a person with at least on
If brown eyes were dominant over blue eyes, explain how two brown-eyed parents could have a blue-eyed child. What is the colored portion of the eye called? What is the colored part of the human eye that controls how much light passes through the pupil called?
One might expect two blue-eyed people to give birth to offspring with eyes of the same color, but it is entirely possible for them to have children with brown eyes. Where genetics are concerned, brown eyes are more dominant, and someday blue eyes could actually become somewhat of a rarity...
Men with light eyes lack the dominant gene allele that codes for dark-brown eyes. Pairing with a woman who lacks the same allele must increase paternity confidence in these men, because any children with dark eyes would be extremely unlikely to have been fathered by them. This notion implies...
The trait of brown eye (B) is dominant over blue-eye (b). What is the genotype of the couple ? ABb ×Bb BBB×BB CBB×Bb DBB×Submit In man brown eye is dominant over blue. A lady with brown eyes, whose father was blue eyed is married to a man with blue eyes. What percentage...
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Blue Eyes and Genes Old theory For many years, scientists believed a person’s eye color was determined by one dominant gene. It was postulated that an eye color hierarchy existed with brown being at the top of the ladder and blue sitting somewhere at the bottom. Under this old way of th...