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Ierofanga [76]
3 years ago
15

Viruses do not have the ability to reproduce on their own, they need a blank

Biology
1 answer:
Georgia [21]3 years ago
8 0
The sentence should read "Viruses do not have the ability to reproduce on their own, they need a host cell"
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Need help asap. Picture below to see what I need help with
irina1246 [14]

When a BB male and a Bb female are crossed, 50% BB and 50% Bb genotypes are produced and a 100% black phenotype.

The entire number of genes that an organism receives from its parents makes up its genotype. Alleles, which are pairs of these genes, are found. One gene is dominant and one gene is recessive in each allele.

The dominant gene is always expressed in a cross if it is present. Only when a pair of alleles is made up of two recessive genes does the recessive gene express itself. In this instance, the white fur is subordinate to the black fur. White fur is represented as b, while black fur is represented as B.

We can see that when we cross the BB male and Bb female, we will get a genotype that is 50% BB and 50% Bb, as well as a phenotype that is 100% black fur.

Parents: BB x Bb

Gametes: B, B, and B, b

Offspring: BB, BB, Bb, Bb

The genotypic ratio = 1:1

The phenotypic ratio = 1:0

Genotype probabilities:

P(BB) = 2/4 = 0.5 or 50%

P(Bb) = 2/4 = 0.5 or 50%

Learn more about genotype here:

brainly.com/question/18101683

#SPJ1

6 0
1 year ago
Content practice a acceleration lesson 3 answers
sdas [7]

Acceleration is defined as the rate of change in the speed of a moving body or vehicle typically.

<u>Explanation:</u>

In the branch of mechanics, the aspect of acceleration is considered to be a property of the vector. And acceleration always occurs in a specific positive direction.

The formula for determining acceleration is change in the rate of velocity over a specific time, and is therefore measured as the ratio of delta velocity by delta time unit.

  \text {acceleration}=\frac{\text {velocity}}{\text {time}}=\frac{\left(\frac{\text {distance}}{\text {time}}\right)}{\text {time}}=\frac{\text {distance}}{\text {time}^{2}}\left(\mathrm{m} / \mathrm{s}^{2}\right)

The unit of acceleration is distance per time unit squared or m / second squared.

8 0
3 years ago
Need help fast please!!!
asambeis [7]

Answer:

1.) Hair Color, Size

2.) Non-Mendelian traits are traits that are not passed down with dominant and recessive alleles from one gene.

Explanation:

Non-Mendelian inheritance is any pattern of inheritance in which traits do not segregate in accordance with Mendel's laws

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3 years ago
Smog damages everything but plants.<br> a. True<br> b. False
Maurinko [17]
The answer is b. False.

Smog is named for the mixture of smoke and fog. It is an air pollutant. It is able to affect human health and environment, as well. Smog affects plant by inhibiting photosynthesis which leads to reduced growth, reproduction, and survival of the plants. It can make them more susceptible to disease or to cause drying out.
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3 years ago
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What must happen before a cell can begin mitosis? View Available Hint(s) for Part A The sister chromatids must be separated. The
Artist 52 [7]

Answer:

What must happen before a cell can begin mitosis? The chromosomes must be duplicated, which occurs during interphase.

Explanation:

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