Which show that the results of an experiment are reliable

In Klinefelter syndrome males have chromosomes XXY. This is an example of:

Nookie1986 [14]

This is an example of non-disjunction of sex chromosomes, The correct option among all the options that are given in the question is the first option or option "A". The other choices in the question are incorrect and can be neglected. I hope that this is the answer that has actually come to your desired help.

8 0

3 years ago

Which graph most likely represents a rabbit population that found a new, larger habitat, but then eventually experienced an

klio [65]

The graph will have a sharp curve in upwards manner when the new, larger habitat is found, but than will be followed by slight decrease when the predation increases.

Explanation:

If a population of rabbits finds a new, larger habitat, than the population will experience rapid rise, especially if there isn't high scale predation on them. This will be due to the abundant food resources, but also because of the fast reproduction of the rabbits. The low predation will mean that most of the rabbits will survive, so the numbers will be on the rise.

When the population starts to experience in increase in predation, the situation changes. The larger number of predators means that they would need much more food, so much more rabbits will be killed and consumed by the predators. This will stop the population rise, and it will either stagnate, or most probably it will experience slight decline.

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3 0

3 years ago

Blood type is inherited thriugh mutiple alleles , inculding I ^a , I^b and i . A child has type A blood. If the father has type

lukranit [14]

Answer:

The answer is below

Explanation:

The possible phenotypes of the mother can be any of the following

AA - A phenotype

AB - AB phenotype (here the mother must have contributed an A gene for it to be possible)

AO - A phenotype (here the mother may have contributed any of the A or O gene.)

BO - B phenotype (here, the mother would only need to contribute O gene for this to be possible)

3 0

2 years ago

Explain how a change in the environment can cause the disappearance of traits or possibly cause an extinction of a species.

aliya0001 [1]

Answer:

Changes in the environment may leave individuals less well adapted to compete successfully for resources such as food, water and mates. Sometimes an entire species may become unable to compete successfully and reproduce. These problems can lead to extinction.

8 0

3 years ago

Choose all the answers that apply.

arlik [135]

Answer:

Option A, B, and C are correct

Explanation:

Incomplete dominance means that the trait represented by two alleles expresses themselves equally thereby hindering dominance of any of the allele completely.

Now,

Let us assume the allele of red petals be represented by "R" and the allele of white petals be represented by "r"

The pink flowers will have genotype "Rr"

Now if two pink flowers are crossed, the following offsprings are produced

Rr X Rr

RR, Rr, Rr, rr

Let us evaluate all the options one by one

a) Ration of pink flower to red flower ( Rr:RR)

There are 2 pink (Rr) flower and 1 Red (RR) , thus the ration of pink flower to red flower is 2:1. Option A is correct

b) one out of four offspring is white in color, therefore the % of white flower is

$\frac{1}{4} * 100\\= 25\\$ %. Option B is correct

c) Two pairs RR and rr are homozygous, thus out of four offsprings two are homozygous. Therefore %of homozygous flowers will be

$\frac{2}{4} * 100\\= 50\\$ %. Option C is correct

d) There are two heterozygous offsprings i.e Rr, therefore the % of heterozygous is $\frac{2}{4} * 100\\= 50\\$ %. Option D is incorrect

e) half of the flowers are hybrid. Therefore option e is incorrect

Therefore, Option A, B, and C are correct

4 0

3 years ago