The surviving children would be 66.7% female and 33.3% male. Of the female children, 50% would be expected to be carriers of this gene (like their mother)
| Xg | X
—————-
X | XXg | XX
—————-
Y | XgY | XY
Pretty ugly, but the best punnet square I can do without a link. The offspring with the “g” are those that carry the lethal gene. The male child that carries it will die, but since it is recessive, the female child will live but will be a carrier for this gene. I hope this helps.
The correct answer is option D
The main cause of global warming is the green house gases that contributes more towards global warming.
The carbon dioxide produced from the transportation is the main green house gas. Transportation being the major source of carbon dioxide contributes towards global warming.
Reducing the amount of green house gases will help in the reduction of the global warming.
The answer is gametes, or sex cells.
<span>The giraffe population in Africa has dropped about 40 percent in just 15 years, according to the GiraffeConservation Foundation. The organization's director, Dr. Julian Fennessy, told ABC News: "It's a silent extinction," noting that giraffe numbers have fallen to 80,000 from 140,000
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