Answer:
Fourth
Explanation:
The pregnant woman usually feels the baby moving the belly for the first time between the 16th and 20th weeks of gestation, that is, at the end of the 4th month or during the 5th month of pregnancy. However, in the second pregnancy, it is normal for the mother to feel the baby move earlier, between the end of the 3rd month and the beginning of the 4th month of pregnancy.
In the first stage of meiosis, prophase I, tetrads are formed.
Given what we know about genetics, we can confirm that the case described in the question will be a result of a De Novo mutation.
A De Novo mutation is referred to as the most severe mutation type. This is a mutation that occurs even before embryonic development has commenced. They are usually the result of mutations in the DNA of the germ cells before being fertilized.
These mutations are responsible for a variety of disabilities and can target a wide array of genes to cause these effects.
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Frameshift mutation affects codons downstream the point of mutation. The previous order of 3 nucleotide- sequences (codons) is consequently changed. This, therefore, changes the protein coded by the mRNA transcribed by the mutated DNA region. Frameshifts are mostly due to insertion or deletion mutations.
