"Adjacent chromatids in homologous chromosomes cross over during meiosis in sperm and egg formation" is the one among the following choices that describes what <span>causes genetic variation during human sexual reproductive processes. The correct option among all the options given in the question is the second option.</span>
Fossils , silicone just guessed sorry
Recombinant DNA is a type of artificial DNA which have genes that are taken from different organisms. During this process, a gene is take from one organism and putting the gene into another organism. Basically, the technology follows cut and paste scheme to form the new brand of DNA.
So to conclude this the technology cuts part of the DNA out to create a new DNA so you are cutting and pasting new DNA which is incredible.
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Answer:
To reach and fertilize an egg, sperm must move — wriggling and swimming through a woman's cervix, uterus and fallopian tubes. This is known as motility. You're most likely to be fertile if at least 40% of your sperm are moving.
Explanation:
"Inorganic material" is that matter which helps plant to complete the cycle and it's provided by decomposers 'cause they break down dead matters into it.
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