Answer:
A sexual norm can refer to a personal or a social norm. Most cultures have social norms regarding sexuality, and define normal .
Explanation:
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pollination- the act of transferring pollen grains from the male anther of a flower to the female stigma.
Pollen tube germination- pollen tubes act as conduits to transport the male gametes cells from the pollen grain, from the stigma to the ovules.
<span>The crossed flies are heterozygous so they have one allele of each for the characteristics. So the genotype is Bb for body color and Rr for eye color.
To set up the punnett square, you would determine all possible combinations for the alleles that each parent could provide: BR, Br, bR, and br. Then make the table, and combining the rows and columns:
BR Br bR br
BR BBRR BBRr BbRR BbRr
Br BBRr BBrr BbRr Bbrr
bR BbRR BbRr bbRR bbRr
br BbRr Bbrr bbRr bbrr
There are sixteen combinations of the genotypes and they need to be classified: BB or Bb- Brown body; bb- black body; RR or Rr- red eyes; rr- brown eyes
Brown body and red eyes- 9
Brown body and brown eyes- 3
Black body and red eyes- 3
Black body and brown eyes 1</span>
<span>Fixed rate peacemaker discharges electrical impulses at a single and steady rate regardless of the underlying electrical activity of the heart. Different peacemakers are stimulated in different areas of the heart. This peacemaker impulse is implanted next to the collarbone, the surgery is done under local anesthesia.</span>
