How many diploid and haploid chromosomes does a duck have?

Answers

Answer 1

Answer: They have 40 sets of chromosomes

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In order to get the disease a baby has to inherit the gene from __________. Select one: a. both parents
b. either parent
c. the father
d. the mother

Answers

Answer: Option A) both parents

Explanation:

Every child receives a copy of gene each from both parents. Once, a baby receives two copies of diseased-gene from both parents who are carriers, the baby automatically get the disease

Answer:

Answer is A.

Explanation:

Here, one copy is inherited from their mother (through the egg) and the other from their father (through the sperm).

Ron is observing an onion cell on a slide under a microscope. He sees chromatids being pulled to opposite ends of the cell. Which phase is he seeing?

Answers

The answer is anaphase.

Ron is obviously observing cell division - mitosis. Mitosis consists of four phases - prophase, metaphase, anaphase, telophase and cytokinesis.

1. Prophase: Chromatin in the nucleus condenses and chromosomes pair up

2. Metaphase: Chromosomes line up at the center of the cell. The sister chromatids are joined together.

3. Anaphase: The sister chromatids separate from each other to the opposite sides of the cells.

4. Telophase and Cytokinesis: Membrane forms around each set of chromosomes on two opposite sides of the cells and cell divides into two identical daughter cells.

Therefore, sister chromatids being are pulled to the opposite ends of the cell in anaphase.

What is the muscular valve between the esophagus and the stomach

Answers

Answer:

The lower esophageal sphincter, or gastroesophageal sphincter

Explanation:

The esophagus is a structure, part of the alimentary canal (gastrointestinal tract) that connects the pharynx to the stomach and through which the food passes. The esophagus is a fibromuscular tube that is involved in the food transport via peristaltic contractions (radially symmetric muscle contractions and relaxation).

The time it takes to run a mile depends on a person's running speed. Which option is the DEPENDENT VARIABLE? *running speed

time to run a mile

type of shoes worn

Answers

The time to run a mile

How do frogs use their tongue to capture and swallow their food?

Answers

There tongues are long and sticky its tongue is located in the front of their mouths rather than the back, there tongue will shoot out and wrap around its prey the retrieve it and throw it down its throat.

Ecology that focuses on dynamic changes occurring in one species is _____ ecology.population
applied
systems

Answers

Ecology that focuses on dynamic changes occurring in one species is population ecology. It is the branch of ecology that deals with the continuous changes of species and how they interact with their environment. It also deals with the growth of a species over a period of time and region.

Other Questions

The _____ nerve connects to the heart and adjusts its speed according to the body's demands.pulmonaryaorticvaguscapillary

About 500 million years ago, trilobites such as this were common ______________ that once covered much of Indiana. Violent storms often occurred in the same area and the trilobites were covered quickly by sediment, hidden for hundreds of millions of years.A) along riverbanks B) in the sandy plains C) in warm, shallow seas D) throughout the mountains

While dna in a human cell was being replicated, a single base was miscopied. what will most likely be the result for the cell in which it happened?

Which part of a thunderstorm is the most threatening?thunder wind rain lightning