The MMR vaccine protects your child against three viruses: measles, mumps, and rubella (German measles). You can also protect your child against chicken pox with the MMRV vaccine. The MMRV is the same as the MMR, except that it also includes protection against the varicella virus, which causes chicken pox. Some parents get the first dose of the MMR vaccine for their child, and choose the MMRV vaccine for the second dose.
Rating Newest Oldest. Best Answer: Widows peak is caused by a dominant gene, say W. Let's assume the recessive straight hairline gene as w. In your case, your mom's widows peak gene is likely, Ww. Your dad's is ww. You need at least one W to have it expressed, but you need two ww to have straight hairline. Obviously, you inherit the w genes from both your parents, so you have straight hairline.
For the best answers, search on this site https://shorturl.im/avgmg. I have to say as a Stylist I haven't heard this one before. complete myth, heres why: -A widows peak is not always on the front hair line, it can be found anywhere on the hair line its the same a cowlicks and whorls.