Nuclear DNA is present in the nucleus of eukaryotic cells. When working with the DNA samples, the best source of nuclear DNA is hair root that anchors the whole shaft of hair. Hair root possesses cells that are called as keratinocytes.
Answer:
when an organism is homozygous at the locus
Explanation:
Answer:
Cross a red flower (AaBB) with a pink flower (AaBb). What are the expected phenotypic ratios of offspring?
AaBB x AaBb= AABB, AaBb, AaBB, aaBb
Phenotyic ratio is 3:1
Explanation:
Answer: the two tropics zones
Explanation:
Between the two tropics zones, which includes the equator, the Sun is directly overhead twice per year. Outside the tropic zones, whether to the south or north, the Sun is never directly overhead. Two other significant lines of latitude are the Arctic Circle (around the North Pole) and the Antarctic Circle (around the South Pole).
Can't see the structures so we can't answer your question
