Two genes, BRCA1, located on chromosome 17q21 (5,6), and BRCA2, located on 13q12-13 (7–9), have been shown to predispose to familial breast cancer.
Remember the cell theory by Virchow that states that all cells come from pre existing cells, if a single cell dies, it can be replaced unless it's a brain cell.
Answer:
Absence seizures
Explanation:
This is a type of seizure also known as ( Petit Mal seizures).It is common in children, (between 4-14 years) and characterised with intent stare at empty space for few seconds(which may occur in 10 -100 times in a day) and does not caused any significant harm.However,with frequent occurrence it may affect concentration.It does not exceed <u>15 seconds</u>
it is caused by repeated electrical signals in the brain due to interference in the synaptic transmission and also to alterations in levels of Neurotransmitters .
Staring into empty space,
Fluttering of eyelids
Intermittent stoppage of speech are some of the symptoms.
Treatment is with medications.,
Answer:
The gynoecium of the flower(s) forms all or part of the fruit, which occurs from the maturation of one or more blooms. One or more ovules contain the egg cell of the megagametophyte, which is found inside the ovary/ovaries. These ovules will form seeds after double fertilisation.
Explanation:
The main reason for creating hybrid plants is to yield more crops. This is primarily due to characteristics of hybrid plants which produces favorable traits such as resistance to certain diseases and increase in crop yields than their parent plants.
Answer- Option 1 - yield more crops