Answer:
Explanation:
A Punnett square shows the probability of an offspring with a given genotype resulting from a cross. It does not show actual offspring. ... The probability that the first offspring will have the genotype “aa” is 25% and the probability of the second offspring having the genotype “aa” is still 25%.
Answer:
Fossil record
Explanation:
Fossils are remains or traces of former life and not evolution. They are mainly formed from preserved hard parts of an organism but occasionally soft parts are also preserved. Fossils are normally found in sedimentary rocks.
Answer: I believe it is C: delivers nutrients to cells, removes cellular waste, and fights infection.
Forgive me if im wrong but its what I choose on the exam
Answer:
D. they are usually dominant or recessive.
Explanation:
alleles are pairs of genes found on a particular spot a chromosome. If one is dominant over the other it give rise to a particular trait.