40) Below is a pedigree for a human trait. Shaded symbols are for individuals showing the trait. Apply the laws of probability and calculate the probability the offspring of the cousin marriage 4 x 7 will have the trait. 568 12

By looking at the following pedigree can you conclude why is it an X-linked recessive? If yes, why not dominant, Sex influenced, or Autosomal. Please provide sufficient reasoning, Thank you.

Possible options:  A. 1/9 B. 1/3 C. 1/6 D. 8/9

b) Following figure is showing the DNA fingerprint analysis on the one locus of a man with four children. Which lane contains the DNA of a father? Why did you select that lane? 1 234 5 A.

Please use punnette square to answer where it applies

Genotype HA На hA ha НА НН АА НН Аа Hh AA Hh Aa На НН Аa НН аa Hh Aa Hh aa hA Hh AA Hh Aa hh AA hh Aa ha Hh Aa Hh aa hh Aa hh aa Кey: H = long hair h = short hair A = brown a = green What is the probability that among the first two offspring, one will be short-haired and green- eyed, and the other will be short-haired and brown-eyed? 3/256 3/128 O 1/16 О 3/16

What is the coefficient of coincidence and the interference? Answer in 2 decimals

Based upon the attached image and your answer above, what is the genotype of the unknown individual? Please explain your answer. (The attached image is the results of the test cross from the question above).

A tall sheep is crossed with a short sheep, and the progeny are all intermediate in size between the two parental sheep. This could be an example of ___________

(healthy) Tom and his wife Julie are both carriers for cystic fibrosis, an autosomal recessive disease. Draw a Punnett square and be sure to include the following information for f credit: 1. Place the parents alleles at the top and on the left side. 2. Write in the allele crosses inside the Punnett squares. 3. Write out the genotypes probabilities for an offspring. 4. Write out the phenotype probabilities for an offspring. E 5. What is the chance that Tom and Julie's first child will have cystic fibrosis?