Their child can not have a widow's peak, seeing as widow's peak is a dominant trait. They need two recessive alleles to have a straight hairline, meaning none can be inherited by the child.
Hope this helps.
A little trick i learnt: The atomic number reflects how many electrons there are, and there must be an equal charge. therefore, there are the same amount of protons as there are electrons. so if it has 81 protons, we look for number 81 in the periodic table, Thallium
The answer is B and I need 20 characters so I am typing random words
You can prove they're related by their DNA
<span>When the phenotype of a heterozygous is intermediate between both homozygous, the pattern of inheritance is incomplete dominance.</span>
