Answer:
B) Under a microscope he observed box-like compartments of cork tree bark.
He observed a cork under a microscope.
Explanation:
He observed a cork under a microscope.
Hope that helps
Answer:
Gene for blood type O is recessive
Gene for blood type A and B is dominant
Gene for blood type AB is neither dominant nor recessive but a form of co-dominance
Explanation:
In the ABO blood group,
A and B are dominant genes, O is recessive genes.
So the different genotype and its corresponding phenotype is as follows –
Genotype Phenotype
AO A
BO B
AB AB
AA A
BB B
OO O
Hence, the two alleles AB occur and express together. Therefore, AB blood group is an example of co-dominance.
Blood type also varies with the presence of Rh factor. If Rh factor is present, the blood type will represented with a “+” symbol. And if Rh factor is absent, the blood type will be represented by “-“symbol.
Answer:
it would affect by diseases and deaths of no food
Explanation:
Hello again!
One limiting factor is the climate changes that the mammoths faced. They “stressed the mammoth population”
Another could be the humans as they arrived, the mammoths had gone extinct
Lastly the mammoths needed a lot of space as they were very big.
Hope this helped
