Its the Chromosomes, if your talking about the human cells.
No, because in a Punnett Square it only uses two patents DNA
Comfort him, reassure him the reasons to stay. Talk about the positives of living. Do not pressure or guilt him on staying alive. Tell a trusted adult or school counselor.
Answer:
B. Adult flies have emerged from the shells
Explanation:
A pupa is the life stage of some insects undergoing transformation between immature and mature stages. The pupal stage is found only in insects that undergo a complete metamorphosis, with four life stages: egg, larva, pupa, and imagoa, therefore, an empty pupae means the insect has emerged from the pupae by splitting the pupal case and leaving it empty
Answer: B. Encouraging athletes to have children together
Explanation: The history of reproductive genetics is complex. During the early part of the last century, eugenics programs were popular. Eugenics is a science that deals with “improving” hereditary qualities. Positive eugenics encourages reproduction by those considered genetically superior. In Nazi Germany, “Pure Aryans” were encouraged to breed to create a superior race. Negative eugenics limits or discourages reproduction by those considered genetically inferior. In the United States, negative eugenics led to laws requiring the involuntary sterilization of thousands of people due to mental or physical handicaps. Events such as these have led people to question the value of eugenics. PF
