Biological or "Darwinian" fitness is being able to live long enough to reproduce and keep the population or species alive.
Denaturing. This step occurs at around 95C. This causes the double strand Helix to spectate
Answer:
The man's father genetics for aniridia is XAY because one copy of the altered gene in each cell is sufficient to cause this disorder.
Explanation:
The aniridia allele in females has to be in the XAXA or XAXa form to be expressed but in males, can be expressed when genotype is XAY.
Migraine headaches allele in females has to be in the XMXM or XMXm form to be expressed but in males, can be expressed when genotype is XMY.
A man with normal vision and without migraines (XaY/XmY) had a father who had aniridia (XAY).
The man's father genetics for aniridia is XAY because one copy of the altered gene in each cell is sufficient to cause this disorder.
That should make it more clear . Its the same thing . Both seta and cheta or chaete means bristles. I think the term can be used interchangeably.
