(A)42. What do we know about the twins from Paragraph 2? A. They have similar habits. B. They often talk with each other. C. They find it hard to live together.(C)43. Why does the writer think being a twin is great? A. Because they can help each other do better. B. ...
可知被克隆出的生物体与原生物体的DNA完全相同,没有一点不同。 2.细节理解题。根据Artificial embryo twin部分中⋅⋅⋅this technology imitates the natural process of creating identical twins.可知答案。 3.细节理解题。根据Artificial embryo twin部分最后一句Artificial embryo twin uses the same approach, ...
How are autosomes and sex chromosomes similar? Is a centromere the same as a synapsis? Do all men have the same Y-chromosome? Can somatic cells have a different number of chromosomes? Do identical twins have the same DNA structure?
Essay on Student Exploration: Dna Fingerprint Analysis Identical twins look so similar because identical twins have the same genetic makeup, meaning, the same DNA (same nitrogenous bases). This is because by they are fertilized by the same egg, making them identical. 1696 Words 7 Pages Better ...
Are identical twins clones? Why are human and chimpanzee DNA 96 percent similar? Are pollen cells somatic or gametic? Do populations have genomes but not gene pools? Do unreplicated and replicated chromosomes count for the same amount?
Do twins have the same fingerprints? Even identical twins – who have the same DNA sequence and tend to share a very similar appearance –have slightly different fingerprints. That's because fingerprints are influenced by both genetic and environmental factors during development in the womb. .....
根据第三段Even with identical twins, there are …… differences in appearance. Identical twins Linda and Terry Jamison look similar but are not exactly the same in appearance.(即使是同卵双胞胎,在外表上也有……差异。同卵双胞胎琳达·贾米森和特里·贾米森看起来很像,但在外表上并不完全一样。)可知,...
Do twins have the same fingerprints? Even identical twins – who have the same DNA sequence and tend to share a very similar appearance –have slightly different fingerprints. That's because fingerprints are influenced by both genetic and environmental factors during development in the womb. .....
Since identical twins have almost the same DNA, researchers can figure out how heritable a fear is by comparing how often specific phobias appear in identical twins as opposed to other brothers or sisters. Because even though twins often have lots of similar experiences, they probably don't ...
How similar is one's DNA to their parents and siblings? What is the genetic relationship between the children of identical twins? The concordance among identical twins for an autosomal recessive disorder caused by a single gene (assuming mutations came from ancestors many generat...