Homework Answers
In human sex determination is xx-xy type. Having XX chromosome is female and XY chromosome is male.
In Drosophila sex determination is XX-XO type. XX are female and XO are male.
In birds sex determination is ZZ-ZW type. ZZ are male and ZW are female.
In grasshoppers sex determination is XX-X0 type. XX are females and X0 are males.
In honeybee queens are diploid(2n) with 32 chromosome and males are haploid(n) with 16 chromosome.
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hila, birds, grasshoppers What are the chromosomal patterns of sex determination in humans, Drosop and honeybees?...
What is an important difference between chromosomal sex determination in birds and mammals? A. Female birds...
What is an important difference between chromosomal sex determination in birds and mammals? A. Female birds have two different sex chromosomes while female mammals have two different sex chromosomess. B. The heterogametic sex in birds is male while the heterogametic sex in mammales is female. C. The homogametic sex in birds is female while the homogametic sex in mammals is male. D. The heterogametic sex in birds is female, while the heterogametic sex in mammals is male.
In birds with a ZZ-ZW sex determination system, males are ZZ and females are ZW. Which...
In birds with a ZZ-ZW sex determination system, males are ZZ and females are ZW. Which is the heterogametic sex? Group of answer choices a Females b Neither males nor females c Both males and females d Males
IV. MONOHYBRID, SEX-LINKED PROBLEMS 10. In humans, as well as in other primates, sex is determined...
IV. MONOHYBRID, SEX-LINKED PROBLEMS 10. In humans, as well as in other primates, sex is determined by special sex chromosomes. An individual containing two X chromosomes is a female, while an individual possessing an X and a Y chromosome is a male. a. What is the genotype of your sex chromosomes? _________________________________________________________ b. In terms of sex chromosomes, what is the sex chromosomal genotype of the (ova)? _________________________________________________________ c. What are the possible sex chromosomal genotypes of a male's sperm...
Birds, unlike mammals, have a sex determination system in which females have Z and a W...
Birds, unlike mammals, have a sex determination system in which females have Z and a W chromosome (ZW), while males have two copies of Z (ZZ). Another fun fact: most bird species, including chickens, do not have penises. This makes it hard to determine the sex of baby chicks! There’s a gene required for pigmentation located on Z. The “barred” allele (b) of this gene is recessive to the black allele (B). If you would like to easily determine the...
The sex determination mechanism of mice is similar to that of humans, with one notable exception:...
The sex determination mechanism of mice is similar to that of humans, with one notable exception: mice that are XO aneuploids are functional females. 1. In a mating of an XO female with a normal male, what genotypic and phenotypic ratios would you expect in the offspring? 2. If an XXY mouse were fertile, what genotypic and phenotypic ratios would result from a mating between an XO female and an XXY male?
1.What do duplication, rearrangement, and mutation of chromosomal DNA have to do with humans, chimpanzees, and...
1.What do duplication, rearrangement, and mutation of chromosomal DNA have to do with humans, chimpanzees, and mice? 2.What do duplication, rearrangement, and mutation of chromosomal DNA have to do with humans, chimpanzees, and mice? 3.What was known before Darwin’s research? Briefly explain. please type
What do duplication, rearrangement, and mutation of chromosomal DNA have to do with humans, chimpanzees, and...
What do duplication, rearrangement, and mutation of chromosomal DNA have to do with humans, chimpanzees, and mice?
1.a) How do we know that in humans the X chromosomes play no role in sex...
1.a) How do we know that in humans the X chromosomes play no role in sex determination, while the Y chromosome causes maleness and its absence causes femaleness? c) How do we know that X chromosomal inactivation of either the paternal or maternal homolog is a random event during early development in mammalian females? d) How do we know that Drosophila utilizes a different sex-determination mechanism than mammals, even though it has the same sex-chromosome compositions in males and females?...
Describe in detail the embryonic developmental program; be sure to include the sex determination process in...
Describe in detail the embryonic developmental program; be sure to include the sex determination process in humans. Define homologous and analogous and explain these terms’ significance in relation to male/female genital development.
In early stages, what body parts do humans have in common with reptiles, mammals, and birds?
In early stages, what body parts do humans have in common with reptiles, mammals, and birds?
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