1. A square is used to determine all combinations of how parents can pass on their alleles. 2. is the physical expression of a particular trait?
3. If offspring inherit a dominant black allele and a recessive white allele what is the genotype of Bb?
4. Is the dominant or the recessive allele expressed?
5. The allele is hidden but can be passed down do the next generation
PLEASE HELP ME

1.) Punnett

2.) phenotype

3.) I'm not completely sure on

4.) dominant

5.) recessive

Explanation:

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.