Consider the family tree (pedigree) below. Grandparents
So
Parents
oth
First cousins
Cousin's child
Which line represents the P generation?
A Grandparents
B.
C. First cousins
D.
Parents
Cousin's child
I
The cousin's child (above) is the only person in this pedigree who suffers from
a particular rare genetic disease.
How many members of this family MUST be heterozygous carriers
of the allele for this disease?

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.