Answer: Only options A, B, C and D are true statements
A) One sperm fuses with an egg while the other sperm fuses with the polar nuclei.
B) It results in the formation of a diploid embryo and triploid endosperm.
C) Both sperms involved in double fertilization form within the same pollen tube.
- The diploid nucleus resulting from the second fertilization undergoes meiosis to form the endosperm.
Explanation:
Double fertilization is a process that occurs in only flowering plants. It involves the following:
- A pollen grain produces TWO male gametes
- one male gamete fertilize the egg to form a zygote that is DIPLOID (with two basic sets of chromosomes)
- the second male gamete fuses with another cell named POLAR NUCLEI, to form endosperm (the food storing tissue) in the seed. The endosperm formed is TRIPLOID ( it has three sets of chromosomes), having undergone reductive division - meiosis
Thus, the options A, B, C and D are true statements
Answer:
Climate change has caused ocean levels to rise higher.
D) if the tubes of the tracheal system in insects were longer, this would cause oxygen to reach the cells more slowly due to the distance factor
Because if the tree is carrying it up from the GROUND then the tree will have dew on it every morning then the dew falls and becomes groundwater.
IDK tho may want to check againn.
Answer:
False, it says that all alleles are dominant :D
Explanation:
