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pantera1 [17]
3 years ago
7

How do pedigrees show traits?

Biology
1 answer:
Valentin [98]3 years ago
5 0

Answer:

By analyzing a pedigree, we can determine genotypes, identify phenotypes, and predict how a trait will be passed on in the future. The information from a pedigree makes it possible to determine how certain alleles are inherited: whether they are dominant, recessive, autosomal, or sex-linked.

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Year Population
enot [183]
The Answer would most likely be A. The reason for that is because if there is a decrease in hunting the population would grow as long with the surplus of food. If there is no animals hunting them for food then the population would grow. So the first one is only the one that would kill them off.
  
6 0
3 years ago
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Suppose that allele D produces tiny ears and allele d produces normal ears. A heterozygous male with the Dd genotype mates with
kotegsom [21]

Answer:

The correct answer is 35 percent.

Explanation:

Allele D produced tiny ears, and allele d produces normal ones. If a heterozygous male with Dd mates with the homozygous female with dd, then generally, the expected offspring produced will be 50 percent with tiny ears, and 50 percent with normal ears.  

However, in the given case, the penetrance is 70 percent. Thus, the probability of the offspring with tiny ears will be:  

Penetrance = 70 %

Probability = 70 % of 50 % of 100

= 70/100 * 50/100 * 100

= 35 %

Hence, the probability of the offspring with tiny ears is 35%.  

4 0
3 years ago
What happens to a subtances when a physical change happens?
GaryK [48]

Answer: I hope this helps: Some physical properties change, but the substance keeps its identity.

Explanation:

3 0
3 years ago
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In genetics, the dash symbol (-) is a "wild card" that stands for either the dominant allele or the recessive allele; for exampl
m_a_m_a [10]

Answer:

12 : 3 : 1

Explanation:

According to Mendel's principles, a dihybrid cross between two heterozygous summer squash parents (WwGg X WwGg) should yield offsprings, 12 with white, 3 with yellow and  1 with green color phenotype. The classic Mendelian phenotypic ratio for dihybrid cross is 9:3:3:1. In this case, genotypes W- G- and W- gg produce white color phenotype. This is because we have 12: 3: 1 phenotypic ratio in which the alleles of two different genes assort independently into gametes.

<em>Dihybrid cross for heterozygous summer squash:</em>

                    WG         Wg            wG            wg          

    WG      WWGG   WWGg     WwGG     WwGg

    Wg       WWGg   WWgg     WwGg      Wwgg

    wG        WwGG    WwGg     wwGG      wwGg

      wg       WwGg    Wwgg     wwGg        wwgg

   Genotypes:

   W-G-  and W- gg  = white = 12

    ww G- = yellow = 3

     ww gg = green = 1

3 0
4 years ago
DUE TODAY
Darina [25.2K]
Your answer would be incomplete
5 0
3 years ago
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