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Alchen [17]
3 years ago
10

True or false meiosis produces somatic cells like eggs and sperm cells

Biology
2 answers:
gtnhenbr [62]3 years ago
5 0

Answer:

i belive thhe answer is

Explanation:

true

Orlov [11]3 years ago
5 0

Answer:

True

Explanation:

In humans, there are special cells called germ cells, these cells undergo meiosis and give rise to sperm or egg cells.

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According to Piaget's theory of cognitive development, which of the following is true of children in the concrete operational st
Anika [276]

Answer:

A. They center on the motives of wrongdoers as well as on the amount of damage done when assigning blame.

Explanation:

The Concrete Operational Stage, according to Piaget, refers to a stage that begins around age 7 and ends around the ages of 11 or 13.

During this stage, children are now capable of thinking in a more logical manner and their moral judgement has become subjective as <u>they now center on the motives of wrongdoers as well as on the amount of damage done when assigning blame</u>. For instance, they are able to judge another child according to the amount of damage she/he has done and whether it was done in purpose or accidentally.

They can also center on two dimensions of a problem at once and have thoughts that involve tangible objects instead of abstract ideas.

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3 years ago
_______ accounts for most of a cell's mass.
miv72 [106K]

Water accounts for most of a cell's mass!

4 0
3 years ago
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In humans, polydactyly (more than 5 fingers and toes on each hand and foot), is inherited in an autosomal dominant manner. What
Masteriza [31]

Answer:

C. More than 5 fingers/toes on each hand/foot

Explanation:

According to the given information, polydactyly is an autosomal dominant trait which means that the phenotype would be expressed in both homozygous dominant and heterozygous dominant genotype.

The given genotype is heterozygous dominant. The individuals with heterozygous dominant genotype would exhibit the polydactyly and would have more than 5 fingers and toes on each hand and foot.

8 0
3 years ago
The table below shows the characteristics of three components of the solar system labeled A, B, and C. Which choice identifies t
Tanzania [10]

Answer:

its B for sure.

Explanation:

4 0
3 years ago
Aniridia, a type of blindness, occurs in humans and is due to a dominant allele, A. Normal vision is due to the allele, a. Migra
ddd [48]

Answer:

1. What was the genetics of the man's father for aniridia? his genotype for the trait is Aa

2. Did the woman’s mother suffer from migraines? Yes, the women  inherited from her the dominant allele for migraines, M

3. What is the probability of this couple producing a child who is normal for both traits? 1/2 aamm

4. What is the probability of this couple producing a child who is afflicted by both traits? 0% of the progeny will be affected by both traits at the same time

5. What is the probability that a child of this couple will have normal vision and migraines? 1/2 aaMm

Explanation:

<u>Available data:</u>

  • Aniridia is due to a dominant allele, A.
  • Normal vision is due to the allele, a.
  • Migraine headaches are due to the dominant allele, M.
  • Normal headaches are due to the allele, m.

A man with normal vision and without migraines marries a woman with normal vision and migraines.

  • The genotype of the Man with normal vision and without migraines is  aamm
  • The genotype of the woman with normal vision and migraines is aaM-

The man's father had aniridia. This means that his genotype for the trait is Aa. We know that his son is homozygous for the recessive trait and that he must have inherited one recessive allele from the mother and the other recessive allele from his father. So, the man´s father must be heterozygous for the trait. If he was homozygous, the son would be heterozygous and would express aniridia.

The women's father had normal headaches but never a migraine. This means that his genotype is mm, recessive homozygous for the trait, which tells us that the women´s mother inherited her the dominant allele for migraines, and her father inherited her the recessive allele for the trait.

Cross:

Parental) aamm    x    aaMm

Gametes) am  am  am  am

                aM  aM  am  am

Punnet square)   aM       aM       am       am

                  am   aaMm  aaMm  aamm  aamm

                  am   aaMm  aaMm  aamm  aamm

                  am   aaMm  aaMm  aamm  aamm

                  am   aaMm  aaMm  aamm  aamm

F1) 8/16=1/2 of the progeny will have normal vision and migraines, aaMm

     8/16=1/2 of the progeny will have normal vision and will not have migraines, aamm

1. What was the genetics of the man's father for aniridia? his genotype for the trait is Aa

2. Did the woman’s mother suffer from migraines? Yes, the women  inherited from her the dominant allele for migraines, M

3. What is the probability of this couple producing a child who is normal for both traits? 1/2 aamm

4. What is the probability of this couple producing a child who is afflicted by both traits? 0% of the progeny will be affected by both traits at the same time

5. What is the probability that a child of this couple will have normal vision and migraines? 1/2 aaMm

8 0
3 years ago
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