The right answer is B.
Mutations are not always unfavorable, they are often "indifferent" as to the survival of the cells or the individual.
Mutations are the primary source of variation in the genetic material underlying the evolution of living things. They can have a beneficial effect for the species.
Answer:
Calcium is a mineral that people need to build and maintain strong bones and teeth. It is also very important for other physical functions, such as muscle control and blood circulation.
Explanation:
Answer:
Trough my nebourhood it starts in the local pond when the sun hits it evaportes and then it will make clouds then it rains next it flows trough the sewers and it will make it back to the pond
Explanation:
Ok... This is a bit complicated but bear with me. In a female's body Estrogen and Progesterone are two of the major used to maintain the menstruation cycle. Gonadotrophic substances are an entirely different topic with it being the hormones FSH and LH (These hormones are released while an egg is in development in the ovaries).
Without going into even deeper specifics. Estrogen is used by the body signal to ovulate, as well as thicken the uterine walls... Progesterone is used to maintain the uterine walls "after" the egg is fertilized. What the pill is suppose to do is actually force a premature ovulation, which is why there is estrogen. The Progesterone's job as is maintain the uterine wall's endometrium to a low level and helps keep blood loss from a period at a minimum.
If you need clarification please feel free to question.
Answer:
the chance they will have a son that has hemophilia is 50%
the chance they have a daughter that has hemophilia is 50%
Explanation:
H - normal allele
h - hemophilia allele
A woman who is a carrier of the hemophilia allele - X(H)X(h)
A man that is normal for hemophilia allele - X(h)Y
Punnet Square:
- X(H)X(h) - <em>Daughter</em>
- X(H)Y -<em> Son</em>
- X(h)X(h) - <em>Daughter</em>
- X(h)Y - <em>Son</em>
