Question

In a parrot species, feather colour is determined by incompletely dominant sex-linked alleles: Red (ZR) and...

In a parrot species, feather colour is determined by incompletely dominant sex-linked alleles: Red (ZR) and white (ZW). A pink male is bred many times with a red female. They produce the following offspring: Red male: 79 Pink male: 65 Red female: 82 White female: 46

1 What is the expected phenotype ratio of red males : pink males : red females : white females?

2 How often would this cross result in male offspring that are white?

3 What is your Chi-square value ?

4.Is the deviation between observed and expected phenotype frequencies significantly different from each another?

5 .are the genotypes in Hardy Weinberg Equilibrium

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
In drosophila (fruit flies), eye colour is sex-linked and red eye colour is dominant to white...
In drosophila (fruit flies), eye colour is sex-linked and red eye colour is dominant to white eye colour. In a cross between a red-eyed male and a heterozygous female, what is the probability of producing white eyed female? ___________ [2 Marks] 8. Black fur in grasscutter (B) is dominant to brown fur (b.) Short tails (T) are dominant to long tails (t). What fraction of the progeny of the cross BbTt x BBtt will have black fur and long tails?...
You hypothesise that eye lobe discolouration is a sex-linked condition in an insect species with a...
You hypothesise that eye lobe discolouration is a sex-linked condition in an insect species with a XY sex determination system, where males are the heterogametic sex. A cross between a normal female and a normal male produce offspring with the following phenotypes: Normal-eyed females: 254 Normal-eyed males: 126 Discoloured-eyed males: 136 Answer the following multiple-choice questions (Q1-Q2) and then use a chi-square test to provide evidence to support or reject your hypothesis (then answer questions Q3-Q4) Q1 The condition is?...
1. In humans, red/green color blindness is sex-linked.  The gene for normal vision (N) is dominant to...
1. In humans, red/green color blindness is sex-linked.  The gene for normal vision (N) is dominant to its recessive allele for color blindness (n). A normal vision woman marries a man with red/green color blindness. Both of their fathers are color blind. What % of their sons would have normal vision? A. 50% B. 75% C. 100% D. 0% 2. The alleles for ABO blood types are designated by IA, IB & i  (also written Io). A woman with type B blood...
1.In fruit flies, eye color is an X-linked trait. Red eyes (XR) are dominant over white...
1.In fruit flies, eye color is an X-linked trait. Red eyes (XR) are dominant over white eyes (Xr)A homozygous dominant female mates with a white-eyed male. What is the phenotypic ratio among males? a.1:0 (all male offspring will have red eyes) b.1:1 (half of the male offspring will have red eyes and half will have white eyes) c.0:1 (all male offspring will have white eyes) 2.In fruit flies, eye color is an X-linked trait. Red eyes (XR) are dominant over...
In fruit flies, eye color is an X-linked trait. Red eyes (XB) are dominant to maroon...
In fruit flies, eye color is an X-linked trait. Red eyes (XB) are dominant to maroon eyes (Xb). A male with red eyes mates with a female with maroon eyes. What will be the eye color of the flies in the F1 generation? Group of answer choices Males: Maroon, Females: Red or Maroon Males: Maroon, Females: Maroon Males: Red, Females: Red Males: Maroon, Females: Red Males: Red, Females: Maroon
In a population of Drosophila, an X-linked recessive allele causing yellow body colour is present in...
In a population of Drosophila, an X-linked recessive allele causing yellow body colour is present in genotypes at frequencies typical of random mating. The frequency of the recessive allele is 0.20. Among 1000 females and 1000 males, what are the expected numbers of the yellow and wild-type phenotypes in each sex and what percentage of wild-type females are carriers for the yellow allele?
Sex-linked crosses 4. Hemophilia is an X-linked disease, meaning that the gene that causes the disease...
Sex-linked crosses 4. Hemophilia is an X-linked disease, meaning that the gene that causes the disease is found on the X chromosome. Affected males only have to have one allele to have the disease (XhY), while affected females have to have two alleles (XhXh). Imagine that an affected male has children with an unaffected carrier female. a. What are the genotypes of the parents in this cross? b. Draw a Punnett cross to show the offspring of this couple. c....
Wing size in Drosophila results from a pair of X-linked partially dominant alleles. LM produces long...
Wing size in Drosophila results from a pair of X-linked partially dominant alleles. LM produces long wings and Lm produces miniature wings. When both alleles are present in the heterozygous condition, medium-sized wings are produced. A female fly with miniature wings is crossed with a male that has long wings. a). What are the genotypes of the female and male flies described above? What are the genotypes of the gametes that each fly makes? (4 pts) Female genotype:                                                         Female gamete(s):...
Having freckles is a dominant trait. A person is heterozygous for having freckles. Their genotype is...
Having freckles is a dominant trait. A person is heterozygous for having freckles. Their genotype is _________ and their phenotype is _________. [ Choose the choice with the answers in the correct order. ] * Freckles, Ff ff, freckles freckles, no freckles Ff, Freckles A fertilized egg created through sexual reproduction ______________. * is genetically identical to the parents contains genetic material from only one parent is genetically identical to other eggs of the same parents has a combination of...
3a. (8 marks) In a certain breed of dog long hair is dominant over short hair;...
3a. In a certain breed of dog long hair is dominant over short hair; the gene involved is autosomal. Another gene, B controls hair colour, which is X-linked, one allele B1 produces gray coloured hair; the other allele B2 produces red coloured hair; and the heterozygous combination B1B2 produces brindle coloured hair (a mix with patches of both gray and red coloured hairs). If a red male homozygous for long hair is mated with a brindle short-haired female, what kind...