Label the following diagrams.

pls explain the steps that happen in the diagram only

Compare the way that the image is formed in the TEM and the SEM.

None

Answer (far right) just needs an explanation**

Plasmogamy is the fusion of(a) two haploid cells including their nuclei.(b) two haploid cells without nuclear fusion.(c) sperm and egg.(d) sperm and two polar nuclei.   Please try to break the solutions into as many steps as practically possible and the steps should come one by one and they should be short and crisp and plagiarism-free.

In humans males are heterogametic and females are homogametic. Explain. Are there any examples where males are homogametic and females are heterogametic. Also, describe as to who determines the sex of the unborn child and if temperature plays a role in sex determenination.

If a parent cell of a sexually-reproducing species has 28 chromosomes, the number of chromosomes in the zygote would be 14.    28.    56.    112.    impossible to determine with the information given.   A tetrad is composed of       two chromosomes with two sister chromatids each.       two sister chromatids with separate centromeres.     four chromosomes with two sister chromatids each.     four sister chromatids are attached at a common centromere.      QUESTION 3 During crossing-over     genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.     genetic material is exchanged between non-sister chromatids, resulting in new combinations of alleles.     sister chromatids from each homologous chromosomes of a tetrad are exchanged, resulting in new combination of alleles.     one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations…

meiosis is a type of cell division only required in organisms that reproduce sexually.  Explain why meiosis is needed (instead of mitosis) for sexual reproduction, and describe one possible advantage of reproducing sexually instead of just copying cells.

104. Types of gametes formed by the plant with genotype AABbccDdee :- (1) 2 (2) 4 (3) 32 (4) 64