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Tom [10]
4 years ago
13

In rats, gene B produces black coat color if the genotype is B-, but black pigment is not produced if the genotype is bb. At an

independent locus, gene D produces yellow pigment if the genotype is D-, but no pigment is produced when the genotype is dd. Production of both pigments results in brown coat color. If neither pigment is produced, coat color is cream. A third independently assorting gene involved in determination of coat color in rats is the C gene. At this locus, the genotype C- permits expression of pigment from genes B and D. The cc genotype, however, prevents expression of coat color and results in albino rats. For each of the following crosses, determine the expected phenotypes and their ratio in progeny:Part ABbDDCc x BbDdCcExpress your answer as five numbers separated by colons. If there is no progeny of a particular phenotype, enter zero (black:brown:yellow:cream:albino).Part BBBDdcc x BbddCcExpress your answer as five numbers separated by colons. If there is no progeny of a particular phenotype, enter zero (black:brown:yellow:cream:albino).Part CbbDDCc x BBddCcExpress your answer as five numbers separated by colons. If there is no progeny of a particular phenotype, enter zero (black:brown:yellow:cream:albino).Part DBbDdCC x BbDdCCExpress your answer as five numbers separated by colons. If there is no progeny of a particular phenotype, enter zero (black:brown:yellow:cream:albino).
Biology
1 answer:
Tasya [4]4 years ago
6 0

Answer:

A) 0Black: 36brown:12yellow: 0cream: 16albino

B) 16Black: 16brown:0yellow: 0cream: 32albino

C) 20Black: 24brown:0yellow: 0cream: 20albino

D) 8Black: 40brown:12yellow: 4cream: 0albino

Explanation:

Due to technical problems, you will find the complete explanation in the attached file

Download pdf
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A student was observing wildlife in their backyard for a school assignment and recorded notes about several oak trees, a group o
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Answer:

Community

Explanation:

It has two or more species within the same geographical area (Backyard) within the same time period.

5 0
3 years ago
If a meal supplies 110 g of carbohydrates, 25 g of protein, 20 g of fat, and the equivalent of 5 g of alcohol, what % of the kca
mars1129 [50]

Answer:

0.058 % kcalories comes from carbohydrate.

Explanation:

1 g of carbohydrtes gives 4 calories, 1 g of protein gives 4 kcalories, 1 gm of fat gives 9 calories and 1 g of alcohol gives 7 calories of energy.

Thus in a meal  that contains 110 g carbohydrates gives 110 x 4 = 440 calories,  25 g protein gives 25 x 4 = 100 calories, 20 g fat gives 20 x 9 = 180 calories and 5 g alcohol gives 5 x 7 =  35 calories.

Total calories in a meal  440+100+180+35 = 755.

Therefore % of carbogydrate will be 440x 100 divided by 755 = 58.27 %

In kcalories % would be 58.27/1000 = 0.5827 %  

5 0
3 years ago
1. The chemical equation for photosynthesis is shown below is incomplete
scoray [572]

Answer:

Explanation:

C2+c4=83

Carbon plus oxygen

6 0
3 years ago
Explain the distribution of the humid subtropical hot-summer and mediterranean dry summer climates in north america, and the dif
sergeinik [125]

In general, the warm to hot summers and relatively mild winters of the Mediterranean and humid subtropical climates are similar. More people live in humid subtropical regions, which are occasionally invaded by chilly air in the winter.

Overall, this region's winter temperatures are typically 10 to 20 degrees Fahrenheit cooler than those in Mediterranean regions.

Whether or whether the summers are hot or warm in a region with a Mediterranean climate determines the subcategory. In comparison to the dry summer heat of the Mediterranean climate zones, the summers in the humid subtropical zone are equally warm or hot, but they typically have significantly more humidity, resulting in sultry weather that generally feels more uncomfortable.

What is humidity?

The amount of water vapor in the air is known as humidity. The gaseous form of water, known as water vapor, is typically undetectable to the  eye. The presence of precipitation, dew, or fog is predicted by the humidity.

The temperature and pressure of the system of interest affect humidity. In comparison to warm air, cool air has a higher relative humidity when the same amount of water vapor is present. The dew point is another relevant variable. As the temperature rises, more water vapor is required until saturation is reached. A parcel of air will eventually approach saturation as its temperature drops, without adding or losing water mass. A parcel of air can include a wide range of water vapor concentrations.

To know about humidity click on the link below:

brainly.com/question/1129115

#SPJ4

7 0
2 years ago
Show how the alleles for tall plant height and short plant height are segregated from each other during gamete formation
KonstantinChe [14]

Answer:

"T" X "t" yields offspring that are all heterozygous with genotype "Tt"

Explanation:

An Allele refers to either of a pair of contrasting genes.

So, "TT" being the same yeild just one allele (T), while "tt" also yield one allele (t)

So, the cross of the both alleles

"T" X "t"

yields offspring that are all heterozygous with genotype "Tt"

Thus, the crossing dominant tall plant height "TT" and recessive short plant height "tt" yielded heterozygous tall plants "Tt"

5 0
4 years ago
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