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A human protein, MC1R is responsible for telling human cells what type of pigment proteins to produce.
One version of MC1R causes cells to make red pigments, while another version causes our cells to make black pigments.
The red version causes red hair. The black version causes black hair.
The two versions are called ____?
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- Non-additive genetic factors make children less resemble their parents. true or false (reason in your own words) (plagiarized answer from any website will get down)A couple named Bob and Brené have 2 children: Angela (female) and Arnold (male). Arnold has sickle cell anemia, a disorder that arises from two recessive alleles of the beta globin gene.Genetic tests have revealed that Bob’s father Denzel has the recessive allele, but Bob’s mother Diane does not. Brené’s father Charlie does not have the recessive allele and her mother Candie was never tested, so we don’t know her genotype.A) Draw out the pedigree for this family and indicate each person’s name. Write out all the possible genotypes for each person (use “A” to represent a dominant allele of the gene and “a” to represent a recessive allele of the gene) and the probability that each person is each of those genotypes.TOPIC : Genetics Example's for Question GENE = Hair Color ALLELE = Straight, Curly DOMINANCE = BB RECESSIVE = bb GENOTYPE = BB, Bb, bb PHENOTYPE = Blue, Black HOMOZYGOTE = BB (Blue eye), bb (Black eye) HETEROZYGOTE = Bb (Blue eye) MONOHYBRID = Aa DIHYBRID = AaBb TRIHYBRID = AaBbCc POLIHYBRID = AaBbCcDd MENDELLIAN GENETICS = Hair Color NON MENDELLIA = Blood Type QUESTIONS: Give Example of the following fo differentiate, DO NOT GIVE THE MEANING! (Follow the instructions above!) 1. MONOHYBRID CROSS = ? DIHYBRID CROSS = ? 2. BACK CROSS = ? TEST CROSS = ?
- Hi im having some trouble with this question, if someone could help solve these with an explanation it would be very helpful! In cats, a gene on the X chromosome (X-linked) makes the protein amelogenin, which helps direct the formation of tooth enamel. A mutation in an amelogenin allele changes the amino acid sequence of the protein and can cause a condition called amelogenesis imperfecta, leading to defects in a cat’s tooth enamel. In one type of amelogenesis imperfecta in cats, the allele associated with the condition, a, acts in a recessive manner. Its dominant counterpart, A, results in normal levels of amelogenin. Additionally, the dominant allele H at an autosomal locus that regulates the expression of the protein Sonic Hedgehog is responsible for polydactyly (the presence of extra digits on each foot, “double paws”) and the expression of its recessive counterpart h results in the absence of polydactyly (having the 5 digits per front paw, and 4 digits per hind paw). A female cat…Give typing answer with explanation and conclusion to all parts The chromosomes drawn below are found in a human skin cell. The lines represent the chromosomes themselves. The letters indicate the location of a particular version of a gene. a) T/F An individual’s offspring are more likely to inherit a D1 and R together than a D1 and T9 together. b) T/F About 50% of the egg cells from this individual will have both T9 and BA5. c) T/F Because r is recessive, the frequency at which the r version of the gene occurs in a population is lower than the frequency at which the R version occurs in the population. d) T/F If the protein produced by the BA gene is involved in the formation of ovaries, then the BA gene is likely located on a sex chromosome. e) T/F Because the genes shown here are found in skin cells, these genes code for proteins required for skin cell function.To what does the term "genotype" refer? Group of answer choices how an organism looks the DNA sequence the heterozygous state what's going on in the environment
- To what does the term allele refer? Group of answer choices a separate gene at another location on the same chromosome a gene found only in bacteria an alternate version of a gene (same location on chromosome) a linked geneCertain breeds of chickens have reddish gold feathers because of a recessive allele, g, of a gene called gold, on chromosome 2. The dominant allele of gold, G, results in silver feathers. There is another feather gene called silkie on chromosome 4. The recessive allele of silkie, s, results in feathers that are soft like chick down. The dominant allele, S, results in rough feathers. 1a. Draw a diploid cell of a chicken that is heterozygous for the gold gene and is homozygous recessive for the silkie gene. Be sure to draw the chromosomes AND indicate the gene locations and alleles. Then, draw the gametes that would result if this cell went through meiosis 1b. Now, imagine that the chicken described in a mated with a chicken that has reddish gold feathers and is heterozygous for the silkie gene. Using a Punnett square, show the genotypes of their progeny (F1 generation). For each genotype, describe the phenotype (explain your reasoning).Please write your complete solution (paper). Albinism in humans is inherited as a simple recessive trait. Determine the genotypes of the parents and their children when a normal male and albino female have 2 normal and 2 albino children.
- Which of the following statements is a lie?Select one: a. Hair color is a characteristic, whereas blonde, red, and black are traits. b. Genes code for the trait. The curly hair characteristic is a variation of the hair type trait. c. Genes of homologous chromosomes are at exactly the same loci.Guinea pigs reproduce with two parents who each contribute % of the offspring's DNA. This means that the guinea pigs offspring receive a part of a gene code from each parent. These can be dominant or recessive and how they combine determines the organism's gene code and If Pinky wants a hairless guinea pig for Christmas, she should find a breeder to sexually reproduce chance to be hairless. because each offspring has a % chance to be hairlesshello, please answer the following Biology correctly. I don't need an explanation, just the correct answer choices. Thank you. Bio Question: "In cats, yellow color is due to one allele, and black color is due to another allele. The heterozygous condition results in a color known as tortoise shell, with both alleles expressed. This gene is on the X chromosome. Which is an expected result of a cross between a yellow male and a tortoise-shell female? Mark all answers that apply." A - 25% of offspring will be black males B - 50% of the offspring will be yellow C- 25% of offspring will be black females D- 50% of the males will be tortoise-shell