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labwork [276]
3 years ago
7

6. Marcus's genotype for eye color is bb. Olivia has brown eyes, but she is heterozygous for the trait.

Biology
2 answers:
Degger [83]3 years ago
7 0
The answer is going to be a because I thinks it’s going to be a
Sidana [21]3 years ago
6 0

Answer:

i believe that the awnser is A

Explanation:

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9. In guinea pigs, rough coat is dominant (R) to smooth coat (r) and black coat (B) is dominant to white coat (b). A rough black
lisabon 2012 [21]

Answer:

the genotype of the parent guinea pigs are as follows:

RrBb (rough, black) and Rrbb (rough, white)

Explanation:

Since the phenotype of smooth coat is present in the offspring, the parent genotype cannot have RR alleles for their coat. Similarly, the rough, black parent cannot have BB alleles in its genotype because that will not yield a white coat color in its offspring.

After making the dihybdrid cross, the probability obtained for each phenotype is given below:

rough black: \frac{3}{8}

rough white: \frac{3}{8}

smooth black: \frac{1}{8}

smooth white: \frac{1}{8}

Hope that answers the question, have a great day!

3 0
3 years ago
In 1972, the U.S. government passed an important act called the _____.
Nata [24]
The answer is Clean Water Act
6 0
3 years ago
Read 2 more answers
List three differences between dna and rna molecules.
Vsevolod [243]

Answer:

Explanation:

RNA is single stranded While DNA is double stranded

RNA contains uracil while DNA contains thymine

RNA as the sugar ribose while DNA has the sugar deoxyribose

6 0
3 years ago
What type of mutation causes a change in the number of chromosomes?
ycow [4]

Chromosome mutations can result in changes in the number of chromosomes in a  cell  or changes in the structure of a chromosome. Unlike a  gene mutation  which alters a single gene or larger segment of  DNA  on a chromosome, chromosome mutations change and impact the entire chromosome. Key Takeaways: Chromosome Mutations

8 0
3 years ago
In man, two abnormal conditions, cataracts (C) in the eyes and excessive fragility (F) in the bones, seem to depend on separate
juin [17]

Complete question:

In man, two abnormal conditions, cataracts (C) in the eyes and excessive fragility (F) in the bones, seem to depend on separate dominant genes located on different chromosomes.  Normal vision and normal bones are recessive traits.  A man with cataracts and normal bones, whose father had normal eyes, married a woman free from cataracts but with fragile bones.  Her father had normal bones.  

1. What is the genotype of the man with cataracts and normal bones?

2. What is the genotype of the woman with normal vision and fragile bones?

3. What type of offspring might this couple expect?

Answer:

  1. Cc ff
  2. cc Ff  
  3. F1)  4/16 = 1/2 = 25% CcFf, cataracts and fragile bones

              4/16 = 1/2 = 25% Ccff, cataracts and normal bones

              4/16 = 1/2 = 25% ccFf, normal eyes and fragile bones

              4/16 = 1/2 = 25% ccff normal eyes, normal bones

Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files

Download pdf
3 0
3 years ago
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