BIOLOGY HIGH SCHOOL

The way you spend your time and energy is your _____. career

lifestyle

occupation

leisure time

Answers

Answer 1
Answer: It is leisure timw, because, leisure basicly means free time.
Answer 2
Answer:

Answer:

Lifestyle

Explanation:

Your lifestyle is how you spend your time, energy, and resources.

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In pea plants the trait for tall stems is dominant over the trait for short stems. if two heterozygous tall plants are crossed , what percentage of the offspring would be expected to have thensame phentotype as the parents

Answers

The study of genes and inheritance is called genetics. There are two types of alleles and these are recessive and dominant.

The correct answer is 75%.

What are genes?

  • A gene is a basic unit of heredity and a sequence of nucleotides in DNA that encodes the synthesis of a gene product, either RNA or protein. During gene expression, the DNA is first copied into RNA.
  • The RNA can be directly functional or be the intermediate template for a protein that performs a function

Tall stems are dominant over short stems. Let T represent tall and t represent short. The parents are Heterozygous tall plants, which means that their genotype would be Tt and their phenotype would be tall. In a Punnett square it would look like this:

     T    t

T   TT   Tt

t   Tt    tt

Notice that we have 3 possible genotype combinations. When the dominant allele T is present that means that the phenotype that will be expressed is the dominant trait. In this case, we have the following genotype and phenotype:

TT     Tall        1/4

Tt       Tall         2/4

tt        Short      1/4

The question is asking the chance the offspring phenotype is the same as the parent specifically so we can see that 3/4 are tall.

Hence, the correct is 3/4 = 75%.

For more information about the genes, refer to the link:-

brainly.com/question/16759172

Answer:

75%

Explanation:

Tall stems are dominant over short stems. Let T represent tall and t represents short. The parents are Heterozygous tall plants, which means that their genotype would be Tt and their phenotype would be tall. In a Punnett square it would look like this:

      T    t

T   TT   Tt

t    Tt    tt

Notice that we have 3 possible genotype combinations. When the dominant allele T is present that means that the phenotype that will be expressed is the dominant trait. In this case we have the following genotype and phenotype:

TT      Tall         1/4

Tt       Tall         2/4

tt        Short      1/4

The question is asking the chance the pffspring phenotype is the same as the parent specifically so we can see that 3/4 are tall.

3/4 = 75%

Name the blood vessel that brings nitrogenous wastes to the kidneys for removal.

Answers

The lymph vessels bring the nitrogenous waste to the kidneys....

Which term describes the scientific process used to modify DNA in order to produce herbicide-tolerant crops? A. crossing-over B. episodic speciation C. genetic engineering D. gamete fusion

Answers

C. genetic engineering

In genetics, the dash symbol (–) is a "wild card" that stands for either the dominant allele or the recessive allele; for example, A– means the individual has either the genotype AA or Aa. Two genes that undergo independent assortment affect flower color in sweet peas. Each gene as two alleles, one of which is dominant for flower color. Genotypes of the form A– B– have purple flowers, whereas those of the form A– bb, aa B–, and aa bb have white flowers. What ratio of purple : white is expected from the cross Aa Bb × Aa Bb? Hint: This type of epistasis is known as "duplicate recessive epistasis."
A. 9:7
B. 10:6
C. 12:4
D. 13:3
E. 15:1

Answers

Answer:

Option A, 9:7

Explanation:

Given,

Genotype of A-B- have purple color

A-B-  have genotype AABB, AaBb, AaBB, AABb

While genotype of A– bb, aa B–, and aa bb have white flowers

A– bb have genotype - AAbb, Aabb

aa B– have genotype aaBb, aaBB

Cross between Aa Bb and AaBb will give following offspring

AB         Ab         aB          ab

AB AABB AABb AaBB AaBb

Ab AABb AAbb AaBb Aabb

aB AaBB AaBb aaBB aaBb

ab AaBb AAbb aaBb aabb

So the possible genotypes and their corresponding phenotypes are  

AABB-1 (Purple)

AABb-1 (Purple)

AaBB-3 (Purple)

AaBb -4 (Purple)

AAbb-2 (White)

Aabb-1 (White)

aaBB-1 (White)

aaBb-2 (White)

aabb-1 (White)

Purple : White = 9:7

How do plants get nitrogen? by absorbing it through evaporation by carrying out photosynthesis by absorbing it from soil by carrying out nitrogen fixation

Answers

Plants get nitrogen by absorbing it from soil through its roots.

A cross involving purebred, red snapdragons and purebred, white snapdragons produce all pink offspring because both genes are present, neither being #1________ over the other, resulting in the #2______ of the trait.#1
a.) recessive b.) dominant c.) blended
#2
a.) ignoring b.) blending c.) absence

Answers

Answer:

The blanks can be correctly filled up with

  • 1. dominant
  • 2. blending

The given condition represents the phenomenon of codominant alleles.

Codominant refers to the allelic interaction none of the alleles is dominant over each other completely.

It leads to the blending of the traits as both the alleles codes for their traits.

For example, I^(A) and I^(B) results in the blending of traits which results in the production of blood group AB.

Similarly, in snapdragon red and white traits are blended to produce pink colored flowers.
A cross involving purebred, red snapdragons and purebred, white snapdragons produce all pink offspring because both genes are present, neither being dominant over the other, resulting in the blending of the trait. 

1) I chose dominant because it means 'more powerful'. And since they blended to make pink, it means that non had too much power. 

2) I chose blending because red and white has a result of pink if blended. 
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