a. In guinea pigs, black coat color (B) is dominant over white coat color (b). When a true breeding black guinea pig is crossed to a true breeding white guinea pig, what is the probability that their progeny will be black? Explain. b. If two heterozygous black guinea pigs are […]

Unit 2: The Cell ?1. 2. 3. 4. Unit 3: 1. 2. 3. Unit 4: 1. 2. 3. Ch. 6 – Describe the similarities and differences between prokaryotic and eukaryotic cells. Select 3 eukaryotic cell organelles that you think you will enjoy studying. For each one, draw and explain the […]

Q1. The cell walls if bacteria, fungi and plant cells and an extracellular matrix of animal cells are all external to the plasma membrane. Which is the characteristic of all these extracellular structures? Q2. In each dihybrid cross, the phenotype ratio of individuals with black hair and brown eyes, black […]

Sexual reproduction occurs in the bread mould (Neurospora crassa) when two haploid strains of different mating types come into contact with each other. The haploid cells fuse to form a diploid cell, which then undergoes meiosis to produce haploid spores. The spores are dispersed and grow into new fungal colonies […]