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hjlf
3 years ago
7

What is a recessive gen

Biology
2 answers:
Artyom0805 [142]3 years ago
6 0

Answer:

A recessive gene is the type of gene that can be masked by dominated gene.

Explanation:

In order to receive trait like blue eyes you have to get it from both of your parents. These gene has the tendency to withdraw by the dominance of the dominant genes.

stealth61 [152]3 years ago
5 0

Answer:

The gene that can be masked by a dominant gene

Explanation:

To have a trait from a recessive gene you must only have gotten both genes from your parents, for example one may have gotten blue eyes as they got the recessive gene from both their parents.

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For this week's CRQ, you are to design your own genetic cross between a female and a male. Be sure to include each of the follow
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Answer and Explanation:

Punnett squares are illustrations that display the product of hybrid trait crosses by genetic breeding. Established parent genotypes and phenotypes are used and are usually compatible with Mendelian ratios and inheritance. The phnomenon influencing this behaviour is the

  • Law of Segregation,
  • Law of Independent assortment
  • and Dominance

For this cross...

Assuming Widow's peak= dominant

<u> 1. What are the dominant and recessive traits in cross?</u>

Parent generation or P generation:

gametes: Ww → Widow's peak dominant (W), No Widow's peak recessive (w)

<u>2. Is the male homozygous dominant, homozygous recessive, or heterozygous?</u>

Heterozygousity describes the allelic makeup; these traits are made of two different forms of the same gene.

Male: Ww  →  with the W.peak;  

(Thus, with both W and w this is a heterozygous trait)

<u>3. Is the female homozygous dominant, homozygous recessive, or heterozygous?</u>

However, homozygous traits are made up of the same forms of the gene called alleles.

Female: ww → without the W.peak  

(Thus, with both w ad w this is a homozygous trait)

<u>1. genotypes and phenotypes for parent and offspring...</u>

<u></u>

Assuming heterozygousity of the male , for the cross

P generation:                          Ww× ww

                            Widow's peak  ×No Widow's peak  

F1 generation:

  • genotype:                       Ww × ww       ...(from punnet square)
  • phenotype:          2 with the W.peak; 2 without

<em>∴ 50% are genotypically heterozygous while 50% is homozygous , 2 with the W.peak; 2 without </em>

6 0
3 years ago
Given that a mineral has three mutually perpendicular planes of cleavage and breaks into cubes, is the mineral mica, pyroxene, a
andriy [413]

Answer:

Halite

Explanation:

Halite, commonly known as rock salt, is a type of salt, the mineral form of sodium chloride. Halite forms isometric crystals

6 0
2 years ago
Which of the following is a covalent compound?
V125BC [204]

Answer:

Water is a covalent compound.

Explanation:

covalent compounds are individual molecules characterized by the sharing of electrons between two or more atoms. Two atoms with similar electronegativity will not exchange an electron from their outermost shell; the atoms instead share electrons so that their valence electron shell is filled.

Example:

Examples of compounds that contain only covalent bonds are methane (CH4), carbon monoxide (CO), Water (H2O) and iodine monobromide (IBr).

Properties:

1. At room temperature and normal atmospheric pressure, covalent compounds may exist as a solid, a liquid, or a gas.

2. Covalent compounds do not exhibit any electrical conductivity, either in pure form or when dissolved in water.

3. Covalent compounds have lower melting and boiling points.

5 0
2 years ago
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The endoplasmic reticulum is a ____.​ a. ​site where the cell synthesizes new protein molecules b. ​structure that separates the
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​site where the cell synthesizes new protein molecules

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Hypotonic - because there is a higher concentration inside the cell than outside of it
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