What are the possible genotypes for type a blood

9 answers
Question:

What are the possible genotypes for type a blood

Answers

AA or AO

similar with type b which is BB or BO

1. derived character
2. mutations have arisen that may be altered allele frequencies
3. a description of the trait or habit
4. eukaryotes
5. b
6. c
7. d

1. First parent allele: WW 
Second parents allele: ww

2. X^b X^B

3. Yes, If the trait is inherited from BOTH mother and father. Because females can be carriers for traits, and not show symptoms because of the two X chromosomes on the 23 chromosome on a karyotype.

4. Punnett Square: 

100% of female children born will be carriers for the trait colorblindness
100% of male children will NOT have the trait for colorblindness

5. Yes, all of the females will be carriers for the colorblindness trait (sex linked)

6. None of the male children will be colorblind because males can't inherit a sex linked trait from their father because sex linked traits often occur on the x chromosome given to males by their mother. 

1. In biology, a trait that arose in an ancestor and is passed along to its descendants is referred to as a

a) derived character.

2. A farmer sprays insecticide on his crops to kill unwanted insects, most of the insects die, and the chemicals have the effect of damaging the DNA of insects that are not killed. Which of these has happened?

3. c) mutations have arisen that may be altered allele frequencies

Often, the second part of the scientific name is

a) a description of the trait or habit

4. The three-domain system recognizes fundamental differences between two groups of

a) prokaryotes

5.  A polygenic trait can have

b) many possible genotypes, producing many possible phenotypes.

6. The situation in which allele frequencies in the gene pool of a population remain constant is called

c) genetic equilibrium

7. Which is the first step that occurred in the speciation of the Galapagos finches?

d) founders arrived

1. Tt, Tt

2. RR, Rr

3. 50% homozygous

4. Pp Pp

5. 50% purple flowers

6. Pp, Pp, purple heterozygous

7. pp pp

8.SS, Ss or SS, SS

9. Parents were SS, Ss

Explanation:

A polygenic trait can have many possible genotypes, producing many possible phenotypes

Explanation:

The polygenic trait is influenced by more than one gene leading to the possibility of many genotypes and phenotypes. This trait itself is a characteristic or a phenotype which is controlled or influenced by multiple genes.

The phenotypes are produced with addition of each dominant allele. Phenotypes like height, skin color of a person are controlled by many genes and the dominant alleles finally produce the respective phenotype.

These does not follow Mendel’s rule of inheritance, where one phenotype is controlled by one genotype.

Diploid Genotype - Genotype of Gametes

RR - R

rr - r

Rr - R, r

Explanation:

According to Gregor Mendel in his law of Segregation, he stated that the alleles of a gene gets separated into gametes during gamete formation (meiosis). This occurs in such a way that only one allele of the two possible alleles that make up the genotype of a diploid organism is found in the gamete.

Meiosis is a cell division that reduces the chromosomal number of the daughter cells. Hence, a diploid organism (2n) will undergo meiosis to produce haploid (n) daughter cells (gametes). An organism with a diploid genotype RR will produce gametes which have only genotype R. The same applies to organism with genotype rr. Only gametes with genotype, r, will be produced.

However, in a heterozygous genotype like Rr, the different alleles will separate into gametes in an equal proportion i.e. gametes with genotypes R and r will be produced in a ratio 1:1.

Answer 1 with Explanation

Genotype is that in which every trait is considered and as WW as white-flowered plant and other homozygous red flower is ww. It is the type of complete dominance in which dominant traits are expressed completely is known as complete dominance.

•    The genotype of homozygous parent plant with white flowers: WW

•    The genotype of homozygous parent plant with red flowers:ww

Answer 2 with Explanation

The homozygous parent WW produces gametes as W,W,W,W and other homozygous parent plant ww produces gametes w,w,w,w.

Parent plant with white flowers:

•    Gamete 1:W

•    Gamete 2:W

•    Gamete 3:W

•    Gamete 4:W

Parent plant with red flowers:

•    Gamete 1:w

•    Gamete 2:w

•    Gamete 3:w

•    Gamete 4:w

Answer 3 with Explanation

The answer will be Ww. One gamete W from white flowers cross with the w from red flowers then offspring or parent generation will be Ww. in the genotype will be Ww but the phenotype will be white flowers because phenotype is the expression of a dominant trait. W is a dominant trait and w is the recessive trait.

               --                                          w

               W                                         Ww

Answer 4 with Explanation

The genotype is heterozygous which is the combination of the white flowers W and the red flowers w. One gamete W from white flowers cross with the w from red flowers then offspring or parent generation will be Ww. in the genotype will be Ww. The genotype has all the characters which are dominant and also which are recessive. Therefore, it contains both characters which are white flowered and which are red-flowered.

Answer 5 with Explanation

The phenotype is the expression of the dominant traits. In this F1 generation will be appeared as white flowers. It has a dominant trait is W which is white-flowered so it is expressed and the recessive trait is w which is red-flowered and it will not be expressed because in phenotype no recessive trait is expressed. It may be appeared in the next generation or maybe not.

Remaining Answers are in the attachment.

I believe the correct response would be D. A polygenic trait encodes for something as melanin concentration in one's skin, skin colour, height etc. These vary quite immensely from person to person, for instance, and can not only be stated as discrete categories in terms of phenotype, as short and or tall. Since the many phenotypes are based on the appropriate Genotypes, there must be many possible Genotypes as well to code and or provide for these diverse phenotypes within a given polygenic trait.

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