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satela [25.4K]
2 years ago
14

In a cross between an aabb animal and an AABb animal, what fraction of the offspring are expected to have the AaBb genotype

Biology
1 answer:
Alex2 years ago
3 0

Answer:

1/16

Explanation:

The probability of an aabb offspring when AaBb x AaBb parents are crossed is 1/16 .

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6.If a planet is considered habitable, what would that mean?
andreev551 [17]

Answer:

If a planet is considered habitable it means that the planet has all the conditions necessary to support life ,these conditions can be the presence of oxygen

6 0
3 years ago
an insect population is growing in such a way that the number in each generation is approximately 1.5 times that of the previous
ruslelena [56]

Answer:

Approximately 338

Explanation:

Since each generation of the insect is approximately 1.5 times that of the previous generation. Therefore,

Population of insect in the first generation = 100

Population of insect in the second generation = 1.5 × 100

                                                                    = 150

Population of insect in the third generation = 1.5 × 150

                                                                     = 225

Population of insect in the fourth generation = 1.5 × 225

                                                                     = 337.5

The population of insect in the fourth generation is approximately 338.

4 0
3 years ago
Two alligators are heterozygous for albinism (Aa). The dominant allele (A) codes for normal pigmentation, and the recessive alle
Masja [62]

Answer:

a. 25%

Explanation:

  • When using a punnet square, both parents will have genotypes (Aa)
  • There is a 25% chance that the offspring will inherit the recessive genes for albinism from each parent
3 0
2 years ago
Animal cells contain all of the following structures EXCEPT a A) nucleus. B) cell wall. C) mitochondria. D) Golgi apparatus.
Marina86 [1]
B) Cell wall
 The cell wall is a structure important cell protection and shape. It is necessary for the survival of unicellular organisms
8 0
3 years ago
Read 2 more answers
IGA is secreted into the bloodstream, whereas _____ is secreted into mucus such as gastrointestinal fluid, colostrum, saliva, te
rewona [7]

.......is secreted into the bloodstream, whereas _____ is secreted into mucus such as gastrointestinal fluid, colostrum, saliva, tears, and sweat:

a. Monomeric IgM; pentameris IgM

b. Monomeric IgA; dimeric IgA

c. Monomeric IgA; dimeric IgM

d. Dimeric IgA; monomeric IgA

Answer:

b. Monomeric IgA; dimeric IgA

Explanation:

IgA is a class of antibodies that are found mainly in body secretions. In sweat, tears, saliva, mucus, breast milk, and gastrointestinal secretions, IgA is secreted as a monomeric antibody. Smaller quantities of this class of antibodies are also present in blood and lymph. However, IgA is present in a dimeric form in the bloodstream. It makes up 10–15% of all antibodies in the blood. The main function of this class of antibodies is to give localized protection of mucous membranes against bacteria and viruses.

8 0
3 years ago
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