Answer:
Hydrogen
Explanation:
Hydrogen is the only nonmetal in group 1, therefore it is the only element in group 1 that forms a covalent bond.
Answer:
base pair deletion
Explanation:
<em>The type of mutation that occurred would be base pair deletion.</em>
Base pair deletion mutation is a type of mutation involving the deletion of one or more nucleotide bases from a DNA/gene. This causes a reduction in the base pairs and shortens the length of the DNA/gene
<u>For example, if the first codon of a gene with base sequence 'AGGGCTACG' is deleted, the gene becomes shortened with a new base sequence of 'GCTACG'. Thus, the mutated gene would have a shorter base pair when compared to its wild-type counterpart.</u>
There is energy to support life on Earth. (Apex) ^-^
Answer:
The correct answer is 50%
Explanation:
Fraternal twins are the twins which are produced from the fertilization of two different eggs by two different sperms. These eggs are released at the same time.
So as fraternal twins are produced from fertilization of two different eggs therefore they share 50% of genes with each other just like other siblings. They are also called dizygotic twins
Identical twins are produce from a sigle fertilized cell which later divides into two cell mass. Indentical twins share 100% gene. Therefore the correct answer is 50%.