In this case, the black body colour is the dominant one. The white dog is homozygous recessive.
As the cross between the black female 2 and the white male results in all black pups. This means that the all the offsprings are heterozygotes and the Female 1 is homozygous recessive having a BB phenotype (where B codes for dominant allele).
As the cross between the black female and the white male results in four white and three black pups. This means that the all the black offsprings are heterozygotes, and the white ones are homozygous recessive and the Female 2 have a dominant and 1 recessive gene, and is a hetrozygotezygous recessive having a Bb phenotype (where B codes for dominant allele and b codes for recessive allele).
Answer:
B. Relative Dating
Explanation:
Relative dating is when you look at fossils from around the same area or the same estimated time .
Answer:
Sweat glands
Explanation:
Humans sweat to cool down their bodies after an excess workout or activity.
Answer: True
Explanation:
This was a bacterial fermentation that produced acetone, needed for cordite (explosive) manfacture. Species of Clostridium were used.
