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8090 [49]
3 years ago
13

If someone crosses the black cat (BB or Bb) with white cat (bb) and 50 percent of the offspring are black, what is genotype of t

he black cat ?
Biology
2 answers:
exis [7]3 years ago
7 0

Answer:

this cat is Bb

Explanation:

yawa3891 [41]3 years ago
5 0
The cat is bbbbbbbbbbbbb
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The carbon cycle involves a variety of processes that move and convert carbon between Earth systems. The diagram summarizes the
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Natalie sets out to run 15 kilometers. Every 30 minutes she checked her pedometer to determine how far she had run. Use the data
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The answers are:

1. The dependent variable is distance as it varies with the reading time interval of 30 minutes.

2. The independent variable is the elapsed time with a fixed interval of 30 minutes.

3. Natalie had run approximately 8 Km in 40 minutes, marked in the graph. So she must have run, 15-8=7 Km after 40 minutes.

4. To calculate: Average speed, Given: Total distance = 15 Km, Total time elapsed = 150 minutes.

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3 years ago
What best describes how mutations are related to evolution?
Paul [167]

Answer: C

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5 0
3 years ago
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The observed numbers for dominant and recessive types in an F2 generation are 154 and 46. What would the expected number of indi
katen-ka-za [31]

Answer: Expected heterozygous genotype = 2×46 = 92

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According to the hypothesis of segregation of paired genes in heterozygous F1 generation crosses produces 1:2:1 genotype ratio. This means that all these three possible genotypes should be produced in the F2 generation meaning that we have 1(Dominant homozygous) :2 (Dominant heterozygous): 1 (Recessive Homozygous).

Phenotypic ratio shared (dominant: recessive) = 154 and 46

If recessive homozygous phenotype = recessive homozygous genotype = 46

The expected dominant heterozygous genotype= 2 × (recessive homozygous genotype)

= 2 × 46 = 92

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