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liberstina [14]
4 years ago
8

How can a child get a chromosome that is totally different from the original chromosomes of both parents

Biology
1 answer:
Oduvanchick [21]4 years ago
7 0
This can happen because you have recessive and dominant characteristics passed down. So you can get a totally different chromosome that doesn't come from your parents because your grandparents may have had it or great grand parents, the line keeps going .
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4 years ago
Because identical twins begin as a single fertilized egg that then separates, identical twins share ____ percent of genetic make
Sergeeva-Olga [200]

Because identical twins begin as a single fertilized egg that then separates, identical twins share 100 percent of genetic makeup.

<h3>IDENTICAL TWINS:</h3>

Identical twins are a type of twins characterized by their phenotypic similarity. They look so much alike that they are almost morphologically indistinguishable.

Their similarity emanates from their genetic content. Identical twins are formed when two sperms fertilize a single egg, which then splits into two.

Since identical twins begin as a single fertilized egg that then separates, this means that they share 100% of their genetic makeup.

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3 years ago
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4 years ago
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8 0
3 years ago
The cleft chin trait follows a dominant-recessive inheritance pattern with cleft chin being the dormant trait. john is heterozyg
ANTONII [103]
Let's say that the genotype of the couples are:

Cc and Cc. Notice that one is capital and the other is not. This is what shows that they are heterozygous. We put this now in a Punnet Square:
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This means that there is a 75% chance that their children will have a cleft-chin and 25% will not.

The probability is the same with each off-spring. So the answer would be 75% chance the same probability for all subsequent children.
6 0
3 years ago
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