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2 years ago

3. What would happen if they crossed yellow jellyfish with coober Complete

Biology

1 answer:

lidiya [134]2 years ago

4 0

Answer:

We know that the color of jellyfish is controlled by codominance inheritance pattern and yellow Y and blue B are two alleles and in case of heterozygous the goober or green color occurs then,

If Yellow jellyfish is crossed with goober, that is, YY X YB.

the punnett square will be -

Y Y

Y YY YY

B YB YB

The possible genotype of offspring will be YY, and YB and therefore, the possible phenotype of offspring will be Yellow, and Green. The Percentage of yellow offspring will be 50% as two out of four are dominant for Y allele and two heterozygous conditions that is 50 % and as there are two copies B alleles are not present so zero percent of blue color.

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Which phylogenetic tree shows that lactation--the production of milk to feed young--is a homologous trait in humans, dogs, and b

Tomtit [17]

Answer:

The correct answer is - choice 1 in the image.

Explanation:

In this given question there are four phylogenetic trees are given among these four trees one tree shows the milk production to feed young ones which is mologous case in humans, bats, and dogs as they show lactation whereas lizards and birds do not show lactation.

In these four the first option shows the homologous condition at the second branch where milk production is divided from lizard and birds.

3 0

3 years ago

Using a Punnett Square give the genotype and the phenotype for the following cross:

photoshop1234 [79]

i have attached it

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2 years ago

The hypothalamus regulates the ________.

Tresset [83]

Answer:

c. pituitary gland

Explanation:

The hypo(below) thalamus is an almond size structure located superiorly to the brainstem. it is located below the thalamus. Hence the name hypothalamus.

It is primary function is is to control the body homeostatic functions of sleeping and waking up, sex, thirst and hunger etc.

It performs these roles by serving as the primary link of the nervous system with the endocrine system. Pituitary gland is an example of endocrine gland that secrets many hormones. (they are called endocrine because the hormones are secreted directly into the blood streams.

<u>Its activities are controlled by the nervous stimulation from hypothalamus. Therefore the instructions to secretes certain hormones to the post and anterior part of the pituitary gland depends on the hypothalamus.</u>

Growth hormones, oestrogen, and thyroid are examples of hormones of the pituitary glands.

7 0

2 years ago

______ is the process of mitosis and cytokinesis produce two identical daughter cells

RUDIKE [14]

Answer:

Mitotic phase

Explanation:

The mitotic phase is a multistage process during which the duplicated chromosomes are aligned, separated, and moved to opposite poles of the cell, and then the cell is divided into two new identical daughter cells.

The first portion of the mitotic phase, mitosis, is composed of five stages which includes prophase, prometaphase, metaphase, anaphase, telophase , which accomplish nuclear division before reaching the second stage which is cytokinensis which involves the physical separation of the cytoplasmic componenets into two daughter cells.

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2 years ago

Carbon credits are used to

kicyunya [14]

Answer:

C. Regulate how much carbon dioxide a country can emit

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2 years ago

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