BIOLOGY HIGH SCHOOL

Where is metamorphic rock frequently found?

Answers

Answer 1
Answer: Along the boundary between igneous intrusions and sedimentary rocks
Answer 2
Answer: Along the boundary between igneous intrusions and sedimentary rocks

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MIDDLE SCHOOL

If a male parent has two dominant alleles for a trait and a female parent has two recessive
alleles for the same trait, which phenotype will
their offspring express for that trait? (3.2.2)

Answers

Answer:

The offsprings will express the dominant trait of the male parent.

To understand this, lets make a punnet square. Let's consider the dominant alleles of the male parent to be DD and the recessive alleles of the female parent to be dd.

     d         d

D   Dd     Dd

D    Dd    Dd

The results from the punnet square depict that all the offsprings will have a heterozygous genotype but ad the dominant allele masks the effect of the recessive allele hence, the offsprings will show the phenotype of the dominant allele.

If a male parent has two dominant alleles for  a trait and the female parent has two recessive alleles for the same  trait the phenotype that their offspring will express for the trait is dominant.

Explanation:

If a dominant allele and recessive allele appears in combination in a genotype the resulting phenotype will be influenced by the dominant allele.  The presence of a dominant allele in a genotype means that the trait expressed will be dominant. Suppose the letter T represents the dominant allele whatever be the trait it expresses.

Let letter t represent the recessive allele. It is given that one parent has two dominant alleles which make that parent’s genotype TT. The other parent has two recessive alleles making that parent’s genotype tt.

The cross can be represented as  

Tt         Tt          Tt          Tt

All the resulting phenotypes are dominant.

HIGH SCHOOL

When exposure to a pathogen identical to one that has been encountered previously occurs again, the immune system recognizes the pathogen and acts quickly based upon:

Answers

Answer:

PAMPs (Pathogen Associated Molecular Patterns)

Explanation:

  • The PAMPs are "markers" on the pathogen that the body's immune cells will recognize via the PAMP recognition receptors (PRRs).
  • The memory cells of the body will recognize the pathogen faster because these cells have a 'memory' of the pathogen and can initiate a faster, more robust response.
HIGH SCHOOL

Exophthalmos is a disorder caused by hypersecretion from the

Answers

Answer:

Thyroid Gland

Explanation:

Answer:

pineal gland. ... thyroid gland

Explanation:

Exophthalmos is a disorder caused by hypersecretion of T3 and T4 from the: a. pineal gland. ... thyroid gland.

HIGH SCHOOL

In the desert, saguaro cacti, owls, horned lizards, and fire ants all share the same space. Which example can be considered a population? 1. all cacti in the same area
2. the lizards and the ants
3. all plants in the same area
4. all species in the same area

Answers

Answer: 1. all cacti in the same area

Explanation: All saguaro cacti in the desert is considered a population because population is the number of organisms of the same specie that exist and live together in a particular geographic region at the same time, and also have the capability to interbreed within themselves.

Answer:

all cacti in the same area

Explanation:

all cacti in the same area

Explanation: All saguaro cacti in the desert is considered a population because population is the number of organisms of the same specie that exist and live together in a particular geographic region at the same time, and also have the capability to interbreed within themselves.

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