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JulsSmile [24]
3 years ago
10

In Andalusian fowls,black individuals (B) and white individuals (W) are homozygous.A homozygous blackboard is crossed with a hom

ozygous white bird.The offspring are all bluish gray. Show the cross as well as the genotype and phenotype of the parents and offspring.

Biology
1 answer:
MAXImum [283]3 years ago
8 0

Answer: The genotype of the parents are BB and WW while the genotype of the offsprings is BW.

The phenotype of the parents is: black for the homozygous black bird and white for the homozygous white bird. The phenotype of all the offsprings is bluish gray

Explanation: From the information provided, black trait B and white trait W are homozygous therefore the genotype of the parent are BB and WW for the black and white bird respectively. Their phenotype is black because the black trait B is dominant and white because the white trait W is also dominant.

See the attached punnet for the cross between the two birds.

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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
Without being in the presence of
victus00 [196]

A producer cannot make sugars in the absence of light, the correct option is A.

<h3>What are producers?</h3>

Producers, also known as autotrophs, are lifeforms that produce their own food.

They obtain energy from chemicals or the sun and transform it into usable energy in the form of sugar or food using water.

Plants and algae can produce their own food by harnessing solar energy. These organisms are referred to as producers because they generate their own food.

Thus, the correct option is A.

For more details regarding producers, visit:

brainly.com/question/4975822

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8 0
1 year ago
Which data help hydrologists predict floods? Select the two correct answers
Alika [10]

Answer:

Which data help hydrologists predict floods?

Impermeable land area

Snowpack

Explanation:

Impermeable land area , Snowpack

The above factors are very essential to an hydrologist to predict floods though other factors such as topography, drainage among others are also inclusive to make the prediction rightly.

3 0
2 years ago
Read 2 more answers
Which of the following is an example of homeostasis? A. The lungs of animals excrete carbon dioxide. B. The beaks of some birds
iren2701 [21]

Answer:

I would choose c

Explanation:

Please put me under brainliest?!

5 0
3 years ago
Read 2 more answers
The R locus determines flower color in a new plant species. Plants that are genotype RR have red flowers, and plants that are rr
tatiyna

Answer:

The correct answer will be- Non-Mendelian inheritance (incomplete dominance)

Explanation:

Incomplete dominance is a type of inheritance pattern observed in nature in which none of the two alleles completely show their effect and produces a third type of phenotype which is different from the phenotype of both the parents.

In the given question, since the cross of red flower and white flower produces a third type of flower color known as pink during F₁ generation is the result of the incomplete effect of both the alleles.

Cross

RR (red) x rr (white) = Rr (pink)

Thus, incomplete dominance is the correct answer.

5 0
3 years ago
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