Answer:
D. X: Gene for sweeter fruit
Y: Apple tree DNA
Explanation:
The process that producing apple trees with desired trait of sweeyer fruits will require gene for sweeter fruit and apple tree DNA.
Genes are responsible for carrying traits or characterstics from parent to daughter, here the trait is sweetness and genes are must to carry this trait otherwise apple will lack sweetness.
DNA carry instructions which are required to develop, reproduce and survive by an organism. DNA undergoes several processes like replication, transcription and translation and share the DNA of male and female parent (sexual reproduction) to produce new organism or plant. hence, DNA of apple tree will be required.
Hence, the correct option is D.
Answer:
a: metaphase
Explanation:
the chromosomes are aligned at the metaphase plate
Cut back on both air and water pollution so their habitat does not melt
Answer:
False
Explanation:
Humans:
Nitrogen is represented by the symbol N. It is abundant in the environment but humans can't use it directly from air or soil but depends upon green plants and microbes to convert it in to the usable form for using it
Plants:
Plants do not get their nitrogen directly from the air. Although nitrogen is the most abundant element in the air, every nitrogen atom in the air is triple-bonded to another nitrogen atom to form molecular nitrogen, N2
<span>D. is fully functional and able to produce and release active sperm after puberty
</span>Unlike the female reproductive system, the male reproductive system
is fully functional and able to produce and release active sperm after puberty
NOT:
A. is affected by hormones.
B. utilizes a menstrual cycle, which is nearly 28 days long.
<span>C. produces eggs.</span>