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castortr0y [4]
3 years ago
10

Please please please help me on me I need it ASAP ​

Biology
1 answer:
iren2701 [21]3 years ago
3 0
The answer is
1. C
2. B
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What gametes are produced by the following organisms:_______.
vova2212 [387]

Answer:

The correct answer would be -

1- YR, Yr, yR and yr.

2. Yr, yR

3. YR, yr

4. YR, Yr, yR & yr

Explanation:

A mature male or female haploid germ cell that fuses with another gamete of the opposite sex during the process of fertilization to make a zygote in sexual reproduction.

The law of Independent Assortment presented by Mendel says that alleles for different traits are passed and assort independently of one another in the gametes.

1. If Y and R on different chromosomes then they will produce four gametes and assort independently - YR, Yr, yR & yr.

2) If Y and R on the same chromosomes and no crossing over occurs then they will produce only two gametes as Y and R will not come together - Yr & yR.

3).  if dominant Y and recessive r are on the same chromosome, no crossing over then only two gametes will form as Y and r will not assort together - YR & yr.

4). if dominant Y and R are on the same chromosome, 50% crossing over produces 4 types of gametes, YR, Yr, yR & yr.

3 0
3 years ago
What makes some collisions elastic and others inelastic?
quester [9]

Answer : The The correct option is, If there is energy lost in the collision to sound, heat, etc., the collision is inelastic.


Explanation :

  • Elastic collision : It is defined as in which there is no loss of kinetic energy in the collision.
  • Inelastic collision : It is defined as in which there is a loss of kinetic energy in the collision and this energy changed to another form of energy.

If the collision involves bouncing, it is inelastic because kinetic energy is not conserved.

If the collision involves sticking together, it is inelastic because kinetic energy is not conserved, it is changes to potential energy.

7 0
3 years ago
Read 2 more answers
A die is rolled 90 times to see if it is fair. The table below shows the outcomes. Fill in the table with the expected counts.
vfiekz [6]

Answer:

Explanation:

1,12,2,18,3,15,4,21,5,11,6,13

8 0
3 years ago
Endocrine disruptors are best described as _______.
Inessa [10]

Answer:

Endocrine disruptors are the synthetic or natural chemicals that may interfere with the functioning of the endocrine system in the human body. These chemicals mimic the naturally occurring hormones produced in the body like estrogen (a female sex hormone) and androgen (a male sex hormone) also these interfere with the production of the thyroid hormone. They bind to the receptors present in a cell and prevents the endogenous hormone from binding. The normal signaling process fails to respond properly.

Chemicals that functions as endocrine disruptors include dioxine, polychlorinated biphenyls (PCBs), pesticides and DDT.

3 0
3 years ago
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A bus travels 20 km in 30 minutes. What is the average speed of the bus?
maxonik [38]
About 0.67 km per minute 20km / 30 min
8 0
3 years ago
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