Answer:
All the F2 progeny with recessive traits would be males
Explanation: This is because the x-linked trait chromosomes are recessive, The F1 when crossed would contain females but when crossed again the F2 progeny with recessive traits would be males
Answer:
I looked this one up for u ;)
Flowering plants. ... Sexual reproduction in flowering plants involves the production of male and female gametes, the transfer of the male gametes to the female ovules in a process called pollination. After pollination occurs, fertilization happens and the ovules grow into seeds within a fruit.
Answer:
The scientist is studying oxygen which can also be found in protien. oxygen is the element which makes up to 65% of human body mass. It is also found in proteins inside the body.
I'm pretty sure they are reffering to Alzheimers.
Answer:
Iron, Magnesium, and Nitrogen