BIOLOGY HIGH SCHOOL

A pedigree chart can show a trait that is: dominant, a mutation, both dominant and a mutation

Answers

Answer 1

Answer:

Answer;

both dominant and a mutation

Explanation;

Pedigree charts shows inheritance of a certain trait over generations. A pedigree can therefore track an inherited trait through several generation.
A dominant trait is an inherited trait that appears in an offspring if it is obtained from a parent through a dominant allele. Such a trait is seen when heterozygous genotype is present. If a trait is dominant, then its appearance on a pedigree chart will be such that it appears in every single generation.
Mutation refers to sudden spontaneous changes that occurs randomly in the genome of an organism. Mutations may also be observed in a pedigree chart.

Answer 2

Answer: Show a trait that's dominant

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Where does surface water collect if it does not flow to the ocean?

Answers

in lakes or wetland such as marshes or swamps

How does valence electron pooling explain why metals can be hammered into a sheet?

Answers

When forming bonds in metal, metal releases its valence electron to produce positive ions.

What is a valence electron?

Free radicals are electrons that exist in metallic bonds. It is simpler to alter the metal's shape because the electrons may easily flow between the atoms.

Whenever they establish bonds, metal atoms quickly surrender their valence electrons to produce positive ions.

Therefore free electrons found in metal alter the shape, due to the flow between the atoms.

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Electrons in metallic bonds are what are known as free radicals. They move freely among the atoms and create a "sea" of electrons, making it easier to change the shape of the metal.

Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. What is the probability of having offspring that have wrinkled seeds and yellow seed color for the cross RRYY ´ RrYy?

Answers

The answer is 0 percent.

Let's represent alleles and genotypes:
R - dominant allele for round seeds,
r - recessive allele for wrinkled seeds,
Y - dominant allele for yellow seeds,
y - recessive allele for green seeds.

RR - dominant homozygote with round seeds,
rr - recessive homozygote with wrinkled seeds,
Rr- heterozygote with round seeds,
YY - dominant homozygote with yellow seeds,
yy - recessive homozygote with green seeds,
Yy * heterozygote with yellow seeds.

So, in order to have wrinkled seeds, the offspring's genotype must contain rr, and to have green seeds, the offspring's genotype must contain either YY or Yy.
According to the image, all of the offspring will have round, yellow seeds (RRYY, RRYy, RrYY, RrYy).

If RRYY and RrYy is crossed the probability of the offspring having wrinkled and yellow seed is none (zero).

Further Explanation:

Dominant character is the trait that masks the effect of the other character and is phenotypically shown. Whereas, the characters which is been masked is referred to be as recessive character.

In the given case,

• R- Denotes the dominant round seed character.

• r- Represents wrinkled recessive character.

• Y- Shows the dominant character of yellow colored seeds.

• y- Is used to represent the green color recessive trait.

Mentioned below are the possible homo and hetrozygotes of the trait;

 YY – Dominant homozygote which represents the yellow seeds.

 yy – Recessive homozygote representing green color seed.

 Yy – Dominant hetrozygote that represents yellow seeds.

 RR – Dominant homozygote representing round seeds.

 Rr – Dominant hetrozygote representing round seeds.

 rr – Recessive homozygote representing wrinkled seeds.

In the given instance for the offspring to have wrinkled and yellow seed it should have the genotype of rrYy or rrYY.

If the cross of RRYY and RrYy is done as shown in the punnett square; the required condition is not possible.

Learn more:

1. Learn more about meiosis brainly.com/question/1600165

2. Learn more about the process of molecular diffusion in a cell brainly.com/question/1600165

3. Learn more about human sperm and egg cell brainly.com/question/1626319

Answer Details:

Grade: High School

Subject: Biology

Chapter: Genetics- Mendalian Inheritance

Keywords:

RRYY, RrYy, round seeds, wrinkled seeds, yellow seeds, green seeds, Mendel, heterozygotes, homozygotes, dominant, recessive.

Look at Figure 30–2. Filtered blood leaves the kidney and returns to circulation through theA. renal artery.
B. renal vein.
C. urinary bladder.
D. urethra.

Answers

The answer is A. renal vein.

Renal veins drain the kidneys and carry the blood filtered by kidneys. Renal artery cannot be the right choice because it carries blood to the kidneys. Urinary bladder collects urine from the kidneys. Urethra connects urinary bladder to the external urethral orifice. Therefore, the only correct choice is renal vein (A).

plz help!!!! A nucleotide consists of all of the following except: sugar nitrogenous base lipid phosphate group

Answers

A nucleotide consists of all of the following except a nitrogenous base. The are of course the main building blocks of genetic information in many life forms.

Final answer:

A nucleotide, the building block of nucleic acids such as DNA or RNA, consist of a nitrogenous base, a pentose sugar, and one or more phosphate groups. It does not include lipids.

Explanation:

A nucleotide is the basic building block of nucleic acids like DNA and RNA. It consists of three main components: a nitrogenous base (which can be a purine like adenine or guanine, or a pyrimidine like cytosine, thymine, or uracil), a pentose sugar (which is either deoxyribose in DNA or ribose in RNA), and one or more phosphate groups. Lipids are not a component of a nucleotide, so the answer to your question would be lipids.

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How each type of rock cycle changes into the other form?

Answers

Erosion breaks down igneous and metamorphic rock that settle and become sedimentary rock. Igneous and sedimentary rock are turned into metamorphic rock with heat and pressure. Finally lava surfaces and melts the other two types and cool down to become igneous rock. In very scientific words, it part of the bio-geo chemical cycles that stores phosphorus both long term and short term.

With the process of pressure and heat, rocks can change from magma or sediment to different rocks.

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