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kykrilka [37]
3 years ago
5

Punnet Square 6. Claud has hereditary rickets, an X-linked dominant disorder. If his partner does not have this

Biology
1 answer:
Helga [31]3 years ago
5 0

Answer:

a) the son will not be affected by rickets (0% chance)

b) the daughter will have rickets (100% chance)

Explanation:

Since only the father has rickets and it is a X-linked dominant trait, the mother has two normal X chromosomes. The X chromosome received from the mother by the son will not result in the rickets since the father will have contributed the Y chromosome and that does not have the gene for rickets. In case of the daughter, she will receive the defective X chromosome from her father, which will cause her to have the rickets disease.

Hope that answers the question, have a great day!

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A plant breeder has determined the following variances for yield of corn in his fields:
Law Incorporation [45]

Answer:

A. VG = 80

B. Broad sense heritability = 0.80

C. Narrow sense heritability = 0.30

D. Average yield = 430 Units

Explanation:

A. Given that

VA = 30

VD = 50

VI = assumed not available

Therefore

Total genetic variance (VG) = VA + VD

= 30 + 50

= 80

VG = 80

B. Given that

VP = 100

VG = 80

Broad sense heritability, H2 = VG/VP

= 80/100

= 0.80

C. Given that

VA = 30

VP = 100

Narrow sense heritability, h2 = VA/VP

=30/100

= 0.30

D. The difference in selection = 500 - 400

= 100

Recall,

Selection response is heritability multiplied by selection differential.

That is

R = h2S

Selection differential = 100

Heritability h2 = 0.30

Selection response = 0.30 × 100

= 30units

Therefore, expected average yield = 400 + 30

= 430 Units

6 0
2 years ago
Which of the following is not a factor that has contributed to agricultural success in the US? A. expansive infrastructure and m
Tema [17]

Controlled population growth.

Explanation:

US is a highly developed  country and it has expansive infrastructure and highly mechanized agricultural equipments. So first option is not a choice. Second, access to chemical fertilizers and pesticides in a country with such advanced agriculture infrastructure is very easy. Third US is well known for using GM crops.  

US does not have a controlled population growth because if not the birth rate then  migration of people to US is a major concern for that country. Thus, this will be a correct choice for the given question.

6 0
2 years ago
Read 2 more answers
27. What is the reaction for aerobic cellular respiration?
Semmy [17]

Answer:

Aerobic respiration is the aerobic catabolism of nutrients to carbon dioxide, water, and energy, and involves an electron transport system in which molecular oxygen is the final electron acceptor. The overall reaction is: C6H12O6 + 6O2 yields 6CO2 + 6H2O + energy

Hope this helps.

8 0
3 years ago
The first plants that grow after a disturbance are called what?
Lina20 [59]
Fairly sure that would be secondary succession.
7 0
3 years ago
Which biome typically experinces hot summers cold winters and lots of rain
photoshop1234 [79]
Temperate Diciduous forest Biome
5 0
3 years ago
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