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Are Brittany and Cynthia Daniel identical twins or fraternal twins?
Brittany and Cynthia Daniel are fraternal twins. Unlike identical twins, who share the same genetic makeup, fraternal twins arise from two separate eggs fertilized by two different sperm cells. The Daniel sisters have distinct physical features and differences in their appearances, which is characteristic of fraternal twins.
How do the inherited and acquired traits of identical twins differ from those of fraternal twins?
Identical twins share 100% of their genetic makeup, leading to very similar inherited traits, such as physical appearance and certain health predispositions. In contrast, fraternal twins, who arise from two separate eggs fertilized by different sperm, share about 50% of their genetic material, resulting in more variability in their inherited traits. Acquired traits, influenced by environment and experiences, can differ significantly in both types of twins, as they may have unique life experiences despite their genetic similarities. This means identical twins often exhibit more similar traits overall compared to fraternal twins.
What name is given to identical offspring's?
Identical offspring are referred to as "monozygotic twins" or simply "identical twins." They arise from a single fertilized egg that splits into two embryos, resulting in genetically identical individuals. This contrasts with "dizygotic twins," or fraternal twins, which develop from two separate eggs fertilized by two different sperm. Identical twins share the same genetic material, while fraternal twins do not.
Are identical twins more common than fraternal twins?
No, fraternal twins are more common than identical twins. Identical twins occur when a fertilized egg splits into two embryos, resulting in two individuals with the same genetic makeup. Fraternal twins occur when two eggs are fertilized by two different sperm, resulting in siblings who share approximately 50% of their genetic material, like regular siblings.
How do you know if two twins are identical or just fraternal twins that look a lot alike?
(Person that asked the question)-Once twins are born, and old enough to determine whether they are identical or fraternal, how do you know if they are identical, or just fraternal twins that look identical? I was just curious.
Why do you think identical twins were more alike than fraternal twins?
Fraternal twins share most of their genetic material, by virtue of having the same parents. Identical twins, however, by definition share 100% of their DNA. This means, for example, that identical twins cannot ever be one of each gender, as fraternal twins often are.
Compared to frateral twins identical twins are much more similar in extraversion or neuroticism?
Identical twins are much more similar in both extraversion and neuroticism compared to fraternal twins. This suggests a higher genetic contribution to these traits in identical twins due to their identical genetic makeup, whereas fraternal twins share only about 50% of their genetic material on average.
How are dizygous twins represented?
Dizygous twins, also known as fraternal twins, are represented by the notation 2z, indicating they originate from two separate eggs fertilized by two different sperm cells. Each twin shares about 50% of their genetic material, similar to regular siblings. In genetic studies, they may be denoted as "DZ" or "fraternal" to distinguish them from monozygotic (identical) twins, who share 100% of their genetic material.
What do twins share?
Twins share a unique bond and can share various traits, including genetic material, physical characteristics, and sometimes personality traits. Identical twins, who originate from a single fertilized egg, share nearly all of their DNA, while fraternal twins, from two separate eggs, share about 50% of their genetic material, similar to regular siblings. Additionally, twins often share experiences, environments, and emotional connections that can further strengthen their relationship.
Who would show more concordance for a chiefly hereditary trait?
Identical twins would show more concordance for a chiefly hereditary trait compared to fraternal twins or siblings, as they share all of their genetic material. This higher genetic similarity increases the likelihood of both twins expressing the trait if it is primarily influenced by genetics.
What is the definition for fraternal twins?
Fraternal twins started from two separate eggs in the mother. By comparison, identical twins started from one egg but it divided at the first stage of development into two separate zygotes (and thus two separate babies).
Who would have the most genetic similarities identical twins or fraternal twins?
Identical twins would have the most genetic similarities, since they share the same original 46 chromosomes.
If twins aren't identical what are they called?
Twins who are of the opposite sex or do not look alike are fraternal twins ~ not identical. This means that at the time of their conception ~ two eggs were fertilised. In the case od identical twins, one egg is fertilised and split in half.
Are Brittany and Cynthia Daniel identical twins or fraternal twins?
Brittany and Cynthia Daniel are fraternal twins. Unlike identical twins, who share the same genetic makeup, fraternal twins arise from two separate eggs fertilized by two different sperm cells. The Daniel sisters have distinct physical features and differences in their appearances, which is characteristic of fraternal twins.
How do the inherited and acquired traits of identical twins differ from those of fraternal twins?
Identical twins share 100% of their genetic makeup, leading to very similar inherited traits, such as physical appearance and certain health predispositions. In contrast, fraternal twins, who arise from two separate eggs fertilized by different sperm, share about 50% of their genetic material, resulting in more variability in their inherited traits. Acquired traits, influenced by environment and experiences, can differ significantly in both types of twins, as they may have unique life experiences despite their genetic similarities. This means identical twins often exhibit more similar traits overall compared to fraternal twins.
How does the genetic makeup of fraternal and identical twins differ?
how does the genetic makeup of a fraternal and identical differ
What are the similarities between fraternal twins?
Fraternal twins, or dizygotic twins, share about 50% of their genetic material, similar to regular siblings, as they are formed from two separate eggs fertilized by two different sperm cells. They often have similar physical traits, such as hair color and eye color, but can also exhibit significant differences in appearance and personality. Both twins typically grow up in the same environment, which can influence their interests and behaviors, leading to shared experiences and bonds. However, unlike identical twins, fraternal twins do not share the same genetic makeup and may not have the same level of resemblance.
