Answer: 25% of the children will have both anirida and migraine headache
Explanation: The man has a dominant gene for anirida and normal headache with a mom with no blindness. Therefore, the man gene is (Nn) for heterozygous anirida and (mm) for normal headaches and his wife has heterozygous gene for migraine (Mm) 'cause her dad has normal headache and homozygous gene for normal vision(nn) .
Therefore
Nnmm × Mmnn= NnMm Nnmm Nnmm nnmm.
The crossing would give birth to Offspring with nirida and migraine (NnMm) =1/4 ×100= 25%
Answer: C. Have low melting points.
Explanation: Metals have high melting points, not low; therefore, C does not belong.
F all of these. They will all harm biodiversity in the southem appalachion forests.
Answer:
The correct option is B. It will collapse and become a white dwarf.
Explanation:
Scientists present a theory that the major parts of the Sun's life cycle would be:
- The Sun would be exist in the form of a red giant first dispersing an enormous amount of light energy and heat energy.
- Then, it will get converted into a white dwarf.
- After becoming a white dwarf, the Sun will start to get cool.
The Sperm cell meets the egg cell.