Using the Karyotype above, what chromosome has an error?
1
21
X
Y

Answer:

21

Explanation:

there are supposed to be 2 chromosomes, not 3. This person has down syndrome.

An airplane flies from Minneapolis to Chicago in 62 minutes.
If it is 572,000 meters from Minneapolis to Chicago, what is the plane's average speed?
A. 2,000 m/s
B. 355 m/s
C. 154 m/s
D. 119 m/s

PLS PLS HELP

An area surrounded by tall mountains contains a very large, isolated population of green and white peacocks. During the mating season, the male peacocks demonstrate flashy feather displays to attract females, who usually choose green peacocks over white ones. A biology student tabulates the following information.

Genotype

Plumage Color % of Population Allele Controlled Phenotype
FF or Ff
Dark green

84%

F (dominant)

Dark green plumage

ff
White

16%
f (recessive)

White plumage
Using this information, the student plans to use the Hardy-Weinberg equation to predict the allele frequencies in future peacock generations. Why would her research advisor have a problem with this? (2 points)

Group of answer choices

The student needs the percent of the population with the Ff genotype in order to find the F frequency.

Her research advisor would first want her to find the males' mating success rate for the calculations.

The peacocks are sexually selective when choosing mates, so future allele frequencies may drift.

Since the peacock population is isolated, its alleles would shift away from Hardy-Weinberg equilibrium.

Having trouble with this textbook question. Can anyone help me out?
"You learned that the length of the cell cycle varies between cell types. Predict which of the three phases of the cell cycle varies"

HELP!!

Question 1 (2 points)
What is the phenotypic ratio of the F2 generation?

plz help me on science due today

Vascular resistance is due to friction between blood and the walls of the blood vessel. Which of the following causes low vascular resistance?


obesity


dehydration


high blood pressure


cholesterol levels within normal range

list four characteristics of living organisms and explain one​

All you have to do is give me some inspiration and I'll give points cause I would really like some inspiration please​

no links! pls help

What process is occurring in the illustration?


a) classic ecosystem


b) climax community


c) primary succession


d) secondary succession

why do snails like leaf litters​

Protein in your diet provide what necessary substances to repair muscles?

Summarize the differences between early succession, mid-succession, and late succession?

How do B cells know when to make antibodies?

A.) They are alerted by Helper T cells.

B.) They are always making antibodies just in case that pathogen is present.

C.) They are alerted by Macrophages.

D.) B cells will simply find the pathogen in the body and immediately begin making
antibodies to fight the pathogen.

Why do your mitochondria come from your mom?

4) Aos poucos, as pessoas estão aderindo às lâmpadas de LED que são mais eficientes, pois
proporcionam a mesma energia luminosa de outras lâmpadas com menor consumo de
energia elétrica, ou seja, são mais econômicas. Sabendo disso, considere uma residência que
apresenta 8 lâmpadas fluorescentes compactas de 11 W que ficam acesas 5 horas por dia.
a) Qual o consumo de energia elétrica, em kWh, apresentado por essas lâmpadas em 1
mês (30 dias)?
b) Se cada uma das lâmpadas for trocada por uma lâmpada de LED de 7 W que
proporciona a mesma iluminação, qual será o novo consumo de energia elétrica, em
kWh, apresentado por essas lâmpadas em 1 mês (30 dias)?
c) Qual a quantidade de energia economizada em 1 mês (30 dias) com a troca das
lâmpadas?
d) Em um local onde o kWh custa R$ 0,50, qual o valor economizado anualmente na conta
de energia elétrica?

What does uranium do to the environment

In a cross between individuals that are Aa x Aa, how many boxes of the Punnett square will show an offspring that is AA?

Males have the sex chromosome XY and females have the sex chromosomes XX . Cross a male with female and determine what percent of offspring will be female .

What consists of all the living organisms in an area and the
non-living aspects of the environment?
a Ecosystem
b Community
C Population

What is the answer pleaseeee

WILL GIVE BRAINLIEST IF CORRECT
At one time, farmers had to spray insecticides on their fields to protect their crops from insects. Today, farmers can buy seeds that produce plants that are resistant to many insects. Which process contributed to the development of these seeds?
a. Cloning
b. Artificial Selection
c. Genetic Engineering
d. Asexual Reproduction

distinguish between absorption and reabsorption in the mammalian body​

Many research studies have shown that different species may possess some of the exact same genes but show vastly different traits. How can that happen?

What can occur nitrogenous bases do not pair correctly?

Which most likely happens to the ovary of a flower after it is fertilized?

a. It produces pollen.
b. It grows into a fruit or vegetable.
c. It grows new sepals to attract insects.
d. It completes photosynthesis.

Why would breeders want to introduce mutations into a population?Single line text.

Short answers please

Fossils and Evolution On Study Island

A team of scientists are studying three different layers of sedimentary rock to learn about a particular reptile species. In the layer of rock that is closest to the Earth's surface, the reptiles' teeth fossils are found to be short and straight. In the layer below, the reptiles' teeth fossils are found to be long and straight. In the layer below that, the reptiles' teeth fossils are found to be long and curved.


Based on this information, the reptiles today most likely have
A.
long, straight teeth.
B.
no teeth.
C.
long, curved teeth.
D.
short, straight teeth.

state two differences between tastic and nastic movement in plants​

Recycling of car batteries can help to do what to lead?​

What does biodiversity mean ?