6. Why is it necessary for the DNA to replicate prior to cell division? A. so that each daughter cell will have 23 chromosomes B. so that each daughter cell will have a complete copy of the genetic material C. so that each daughter cell will have 46 homologous chromosomes D. so that each daughter cell will have 2 sister chromatids 7. What is/are the possible phenotype of purple pea plant flowers' offspring if the parents are pp x PP? A. All homozygous purple B. All heterozygous purple C. 3 homozygous purple, 1 heterozygous purple D. 2 homozygous purple, 2 heterozygous purple 8. If your genotype is Bb, what type of trait would you express as a phenotype? A. Dominant B. Recessive C. Both the dominant and recessive traits D. genotype 9. What are the possible genotypes for this cross? T t A. TT= 25% Tt= 50% tt=25% T B. all tall C. TT= 75% tt = 25% D. Tt = 100% t 10. Which of the taxonomic category is often defined as the largest group of organisms capa of interbreeding and producing fertile offspring? C. Class A. Species D. Kingdom B. Family 11. Why do scientists use binomial nomenclatu name species? A. Binomials are specific and universally understood by scientists. B. A single binomial can be used for many spe making it easier to name different animals. C. Binomials tell scientists how a species looks relative to others in the same genus.

Hello my name is Wanda and I'm studying for Michigan MTTC exam attached is an exam question about expanded notation I need help with.

Is one question I need help please

I'm not understanding what the phenotype would be for those two ?

10) Phenylketonuria (PKU) is a recessive disorder. Jack and Jane look normal but have a child with PKU. Therefore, what are the genotypes of Jack and Jane? __________________________________

In my homework this solution was wrong. Could there be another option for this question?

Zellweger syndrome is a rare congenital disorder characterized by the reduction of peroxisomes or lack of Peroxisomal enzymes that lead to death during early infancy.   Question options:   True   False