1. An individual is heterozygous for 2 genes.

Question # 00590028 Posted By: Prof.Longines Updated on: 09/16/2017 12:07 PM Due on: 09/16/2017
Subject Biology Topic Biochemistry Tutorials:
Question
Dot Image

1. An individual is heterozygous for 2 genes.

How many different types of gametes can this person produce & in what proportions?


2. Brown eyes (B) are fully dominant over blue eyes (b).

a. A 3:1 phenotypic ratio of F1 progeny indicates that the parents are of what genotype?

b. A 1:1 phenotypic ratio of F1 progeny indicates that the parents are of what genotype?


3. Sickle cell anemia (SCA) is an autosomal recessive genetic condition. A couple plans to marry & wants to know the probability that they will have a child affected by SCA. With your knowledge of Mendelian inheritance, what can you tell this couple if:

a. both are unaffected, but each has one affected parent & one unaffected, not a carrier parent.

b. the man is affected & the woman is unaffected & both her parents are unaffected, not carriers.


4. A man with blood A and a woman with blood type B have 3 children:

a daughter with blood AB

a son with blood type B

another son with blood type O

What are the genotypes of the parents?


Dot Image
Tutorials for this Question
  1. Tutorial # 00588202 Posted By: Prof.Longines Posted on: 09/16/2017 12:07 PM
    Puchased By: 2
    Tutorial Preview
    The solution of 1. An individual is heterozygous for 2 genes....
    Attachments
    soln.zip (652.26 KB)

Great! We have found the solution of this question!

Whatsapp Lisa