Imagine that you have two black dogs. One is black because it carries two dominant genes for black (BB). The other is black beca
use it carries one dominant gene for black and one recessive gene for the recessive color liver (Bb). Use a Punnett square to predict the phenotype and genotype for the offspring of a cross between these two dogs.
2 answers:
Answer:
The correct answer would be:
- Genotype: BB and Bb
- Phenotype: Black color
Black is a dominant trait as it is expressed in heterozygous condition (Bb).
The genotype of one parent is BB. Thus, it would produce only one type of gamete that is, B.
The genotype of other parent is Bb. It would produce two types of gametes; B and b.
The cross will result in the production of puppies with two types of genotypes BB and Bb.
However, the phenotype of all the puppies will be black color as black is a dominant trait.
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True
Explanation:
The statement that when the distance between the balls decreases, the size of arrow increases because it shows the gravitational pull between the two balls which increases is true.
According to Newton's law of universal gravitation:
"The gravitational force of attraction between two bodies is directly proportional to the product of their masses and inversely proportional to the square of their separation".
Mathematically, the law is written as:
F =
F is the gravitational force
G is the universal gravitational constant
m is the mass of the body
r is the distances between them.
We see that the less the distance between the two bodies the more the gravitational force they have.
learn more:
Gravitational force brainly.com/question/1724648
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