Question

pls kisiko ans pata ho to kehna..​

Answer 1

Answer:

8: True, During zygote formation, male contributes either X or Y chromosomes to the next generation. But the female transfer only X-sex chromosomes to the next generation. At times of fertilization, if X-chromosomes come from male, the child will be a girl and if Y-chromosomes comes then the child will be a boy.

9: Asexual reproduction produces individuals that are genetically identical to the parent plant. ... Some plants can produce seeds without fertilization via apomixis where the ovule or ovary gives rise to new seeds. Advantages of asexual reproduction include an increased rate of maturity and a sturdier adult plant.

10:i) Modern techniques like surrogacy , IVF and sperm bank have been boon to the childless couples. (ii) In IVF technique , fertilization is brought about in a test-tube and the embryo thus , formed is implanted in the uterus of the women. (iii) Surrogacy is a boon to women who face issues with their uterus .                                                                                                                                               11:Flowering plants reproduce sexually through a process called pollination. The flowers contain male sex organs called stamens and female sex organs called pistils. The anther is the part of the stamen that contains pollen