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3 years ago

6

THERE ARE MULTIPLE ANSWERS Which of the following systems use the cardiovascular system for the transport of materials? excretor

y system digestive system endocrine system respiratory system immune system

2 answers:

joja [24]3 years ago

5 0

Respiratory
Excretory
Digestive

Archy [21]3 years ago

3 0

Respiratory system, excretory system, digestive system

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Read 2 more answers

Two autosomal genes, J and K, are 60 map units apart. You perform the following testcross: J K / j k x j k / j k. At what freque

Dmitry [639]

Answer:

J K / j k = 20%

j k / j k = 20%

J k / j k = 30%

j K / j k = 30%

Explanation:

To calculate the recombination frequency, we have to know that 1% of recombinations = 1 map unit = 1cm. And that the maximum recombination frequency is always 50%.

The map unit is the distance between the pair of genes for which every 100 meiotic products, one of them results in a recombinant one.

So, en the exposed example:

J and K are autosomal genes

J and K are separated by 60 M.U.

60 M.U. means that there is 60% of recombination.

Cross) J K / j k x j k / j k

Gametes) JK Parental jk, jk, jk, jk

jk Parental

Jk Recombinant

jK Recombinant

One map unit equals 1% of recombination frequency. This means that every 100 meiotic products, one of them is a recombinant one.

1 M.U. -------------- 1% recombination

60 M.U. ------------ 60% recombination

30% Jk + 30% jK

100 M.U. - 60 M.U. = 40 M.U.

40M.U.--------------40 % Parental (Not recombinant)

20% JK + 20% jk

Punnet Square) JK jk Jk jK

jk JK/jk jk/jk Jk/jk jK/jk

J K / j k = 20%

j k / j k = 20%

J k / j k = 30%

j K / j k = 30%

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3 years ago

Lawrence Kohlberg built on the theories of _____ in his description of the stages of moral development. A. Carol Gilligan B. Jea

Ymorist [56]

Answer:

Lawrence Kohlberg build on the theories of Jean Piaget in his description of the stages of moral development.

Explanation:

The earlier work of Jean Piaget on cognitive development of children was expanded by Lawrence Kohlberg which he described in 6 stages.

1.Stage 1 : Obedience and punishment orientation

This is focused on children to obey rules and avoid from punishment.

2.Stage 2: Orientation through instruments

Individual should have to be in their best interest

3.Stage 3 : Good boy , nice girl orientation

The children will approve others and acts to avoid disapproval.Emphasis is placed on good and nice behavior.

4.Stage 4:Law and order orientation

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5.Stage 5: Social contract orientation-

The world holds different opinions,right,and values and each will accept it mutually.

6. Stage 6: Universal ethical principal orientation-

It is based on abstract reasoning where ethical principles are used.

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3 years ago